Crash on startup, related to defterm #13985

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opened 2026-01-31 03:57:43 +00:00 by claunia · 12 comments
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Originally created by @zadjii-msft on GitHub (May 27, 2021).

Originally assigned to: @miniksa on GitHub.

Microsoft.WindowsTerminalPreview_1.9.1445.0, internal OS build

We're hitting the CATCH_FAIL_FAST:

void TerminalPage::_StartInboundListener()
    {
        if (_shouldStartInboundListener)
        {
            _shouldStartInboundListener = false;

            try
            {
                winrt::Microsoft::Terminal::TerminalConnection::ConptyConnection::StartInboundListener();
            }
            // If we failed to start the listener, it will throw.
            // We should fail fast here or the Terminal will be in a very strange state.
            // We only start the listener if the Terminal was started with the COM server
            // `-Embedding` flag and we make no tabs as a result.
            // Therefore, if the listener cannot start itself up to make that tab with
            // the inbound connection that caused the COM activation in the first place...
            // we would be left with an empty terminal frame with no tabs.
            // Instead, crash out so COM sees the server die and things unwind
            // without a weird empty frame window.
            CATCH_FAIL_FAST()
        }
    }

Dump is in c:\users\migrie\dev\startup-crash.dmp. Repo's been hot yesterday so this might have already been filed - I'll dedupe later.

stack
0:000> k
 # Child-SP          RetAddr               Call Site
00 00000066`5b8f9820 00007ff8`82bee109     KERNELBASE!RaiseFailFastException+0x152 [minkernel\kernelbase\xcpt.c @ 1198] 
01 00000066`5b8f9e00 00007ff8`82beb428     TerminalApp!wil::details::WilDynamicLoadRaiseFailFastException+0x49 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 1773] 
02 00000066`5b8f9e30 00007ff8`82beb40c     TerminalApp!wil::details::WilRaiseFailFastException+0x18 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 1713] 
03 00000066`5b8f9e60 00007ff8`82beb9c3     TerminalApp!wil::details::WilFailFast+0xa8 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3420] 
04 00000066`5b8f9f30 00007ff8`82beb512     TerminalApp!wil::details::ReportFailure_NoReturn<3>+0x21b [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3463] 
05 00000066`5b8fb420 00007ff8`82c2cffc     TerminalApp!wil::details::ReportFailure_Base<3,0>+0x2e [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3488] 
06 00000066`5b8fb480 00007ff8`82c2cf7a     TerminalApp!wil::details::ReportFailure_CaughtExceptionCommonNoReturnBase<3>+0x80 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3590] 
07 (Inline Function) --------`--------     TerminalApp!wil::details::ReportFailure_CaughtExceptionCommon+0x14 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3599] 
08 00000066`5b8fb510 00007ff8`82c31723     TerminalApp!wil::details::ReportFailure_CaughtException<3>+0x32 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3807] 
09 00000066`5b8fc570 00007ff8`82bbc8e1     TerminalApp!wil::details::in1diag3::FailFast_CaughtException+0x13 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 4719] 
0a 00000066`5b8fc5c0 00007ff8`bcf81080     TerminalApp!`winrt::TerminalApp::implementation::TerminalPage::_StartInboundListener'::`1'::catch$0+0x22 [E:\BA\97\s\src\cascadia\TerminalApp\TerminalPage.cpp @ 359] 
0b 00000066`5b8fc5f0 00007ff8`bcf826a5     VCRUNTIME140_1!_CallSettingFrame_LookupContinuationIndex+0x20 [D:\a01\_work\26\s\src\vctools\crt\vcruntime\src\eh\amd64\handlers.asm @ 98] 
0c 00000066`5b8fc620 00007ff8`c7ce74c6     VCRUNTIME140_1!__FrameHandler4::CxxCallCatchBlock+0x115 [D:\a01\_work\26\s\src\vctools\crt\vcruntime\src\eh\frame.cpp @ 1393] 
0d 00000066`5b8fc700 00007ff8`82bbc8b9     ntdll!RcFrameConsolidation+0x6 [minkernel\ntos\rtl\amd64\capture.asm @ 1124] 
0e 00000066`5b8fe9c0 00007ff8`82bab2cb     TerminalApp!winrt::TerminalApp::implementation::TerminalPage::_StartInboundListener+0x19 [E:\BA\97\s\src\cascadia\TerminalApp\TerminalPage.cpp @ 348] 
0f 00000066`5b8fe9f0 00007ff8`82baacdb     TerminalApp!winrt::TerminalApp::implementation::TerminalPage::_OnFirstLayout+0xbb [E:\BA\97\s\src\cascadia\TerminalApp\TerminalPage.cpp @ 330] 
10 (Inline Function) --------`--------     TerminalApp!winrt::Windows::Foundation::TypedEventHandler<winrt::Windows::UI::Xaml::FrameworkElement,winrt::Windows::Foundation::IInspectable>::<lambda_c45f47b7e8e0f80bc2a45684739b042d>::operator()+0x1a [E:\BA\97\s\src\cascadia\TerminalApp\Generated Files\winrt\Windows.Foundation.h @ 2511] 
11 00000066`5b8fea40 00007ff8`81857cd3     TerminalApp!winrt::impl::delegate<winrt::Windows::Foundation::TypedEventHandler<winrt::Windows::UI::Xaml::FrameworkElement,winrt::Windows::Foundation::IInspectable>,<lambda_c45f47b7e8e0f80bc2a45684739b042d> >::Invoke+0x3b [E:\BA\97\s\src\cascadia\TerminalApp\Generated Files\winrt\Windows.Foundation.h @ 894] 
12 00000066`5b8fea90 00007ff8`81857b9a     Windows_UI_Xaml!GetErrorContextIndex+0x117c03
13 00000066`5b8feaf0 00007ff8`8185c2e8     Windows_UI_Xaml!GetErrorContextIndex+0x117aca
14 00000066`5b8feb30 00007ff8`81994285     Windows_UI_Xaml!GetErrorContextIndex+0x11c218
15 00000066`5b8feb80 00007ff8`8185cc09     Windows_UI_Xaml!DllCanUnloadNow+0x34925
16 00000066`5b8febf0 00007ff8`8182404d     Windows_UI_Xaml!GetErrorContextIndex+0x11cb39
17 00000066`5b8fec90 00007ff8`818231af     Windows_UI_Xaml!GetErrorContextIndex+0xe3f7d
18 00000066`5b8fed20 00007ff8`819f51f4     Windows_UI_Xaml!GetErrorContextIndex+0xe30df
19 00000066`5b8fee30 00007ff8`819f5001     Windows_UI_Xaml!DllCanUnloadNow+0x95894
1a 00000066`5b8fee90 00007ff8`819f4f20     Windows_UI_Xaml!DllCanUnloadNow+0x956a1
1b 00000066`5b8feed0 00007ff8`818ba7c1     Windows_UI_Xaml!DllCanUnloadNow+0x955c0
1c 00000066`5b8fef30 00007ff8`818ba6a3     Windows_UI_Xaml!DllGetActivationFactory+0x49e71
1d 00000066`5b8fef70 00007ff8`817fcfb0     Windows_UI_Xaml!DllGetActivationFactory+0x49d53
1e 00000066`5b8fefa0 00007ff8`817fce40     Windows_UI_Xaml!GetErrorContextIndex+0xbcee0
1f 00000066`5b8fefe0 00007ff8`817e6e55     Windows_UI_Xaml!GetErrorContextIndex+0xbcd70
Originally created by @zadjii-msft on GitHub (May 27, 2021). Originally assigned to: @miniksa on GitHub. `Microsoft.WindowsTerminalPreview_1.9.1445.0`, internal OS build We're hitting the `CATCH_FAIL_FAST`: ```c++ void TerminalPage::_StartInboundListener() { if (_shouldStartInboundListener) { _shouldStartInboundListener = false; try { winrt::Microsoft::Terminal::TerminalConnection::ConptyConnection::StartInboundListener(); } // If we failed to start the listener, it will throw. // We should fail fast here or the Terminal will be in a very strange state. // We only start the listener if the Terminal was started with the COM server // `-Embedding` flag and we make no tabs as a result. // Therefore, if the listener cannot start itself up to make that tab with // the inbound connection that caused the COM activation in the first place... // we would be left with an empty terminal frame with no tabs. // Instead, crash out so COM sees the server die and things unwind // without a weird empty frame window. CATCH_FAIL_FAST() } } ``` Dump is in `c:\users\migrie\dev\startup-crash.dmp`. Repo's been hot yesterday so this might have already been filed - I'll dedupe later. <details> <summary>stack</summary> ``` 0:000> k # Child-SP RetAddr Call Site 00 00000066`5b8f9820 00007ff8`82bee109 KERNELBASE!RaiseFailFastException+0x152 [minkernel\kernelbase\xcpt.c @ 1198] 01 00000066`5b8f9e00 00007ff8`82beb428 TerminalApp!wil::details::WilDynamicLoadRaiseFailFastException+0x49 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 1773] 02 00000066`5b8f9e30 00007ff8`82beb40c TerminalApp!wil::details::WilRaiseFailFastException+0x18 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 1713] 03 00000066`5b8f9e60 00007ff8`82beb9c3 TerminalApp!wil::details::WilFailFast+0xa8 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3420] 04 00000066`5b8f9f30 00007ff8`82beb512 TerminalApp!wil::details::ReportFailure_NoReturn<3>+0x21b [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3463] 05 00000066`5b8fb420 00007ff8`82c2cffc TerminalApp!wil::details::ReportFailure_Base<3,0>+0x2e [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3488] 06 00000066`5b8fb480 00007ff8`82c2cf7a TerminalApp!wil::details::ReportFailure_CaughtExceptionCommonNoReturnBase<3>+0x80 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3590] 07 (Inline Function) --------`-------- TerminalApp!wil::details::ReportFailure_CaughtExceptionCommon+0x14 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3599] 08 00000066`5b8fb510 00007ff8`82c31723 TerminalApp!wil::details::ReportFailure_CaughtException<3>+0x32 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 3807] 09 00000066`5b8fc570 00007ff8`82bbc8e1 TerminalApp!wil::details::in1diag3::FailFast_CaughtException+0x13 [E:\BA\97\s\dep\wil\include\wil\result_macros.h @ 4719] 0a 00000066`5b8fc5c0 00007ff8`bcf81080 TerminalApp!`winrt::TerminalApp::implementation::TerminalPage::_StartInboundListener'::`1'::catch$0+0x22 [E:\BA\97\s\src\cascadia\TerminalApp\TerminalPage.cpp @ 359] 0b 00000066`5b8fc5f0 00007ff8`bcf826a5 VCRUNTIME140_1!_CallSettingFrame_LookupContinuationIndex+0x20 [D:\a01\_work\26\s\src\vctools\crt\vcruntime\src\eh\amd64\handlers.asm @ 98] 0c 00000066`5b8fc620 00007ff8`c7ce74c6 VCRUNTIME140_1!__FrameHandler4::CxxCallCatchBlock+0x115 [D:\a01\_work\26\s\src\vctools\crt\vcruntime\src\eh\frame.cpp @ 1393] 0d 00000066`5b8fc700 00007ff8`82bbc8b9 ntdll!RcFrameConsolidation+0x6 [minkernel\ntos\rtl\amd64\capture.asm @ 1124] 0e 00000066`5b8fe9c0 00007ff8`82bab2cb TerminalApp!winrt::TerminalApp::implementation::TerminalPage::_StartInboundListener+0x19 [E:\BA\97\s\src\cascadia\TerminalApp\TerminalPage.cpp @ 348] 0f 00000066`5b8fe9f0 00007ff8`82baacdb TerminalApp!winrt::TerminalApp::implementation::TerminalPage::_OnFirstLayout+0xbb [E:\BA\97\s\src\cascadia\TerminalApp\TerminalPage.cpp @ 330] 10 (Inline Function) --------`-------- TerminalApp!winrt::Windows::Foundation::TypedEventHandler<winrt::Windows::UI::Xaml::FrameworkElement,winrt::Windows::Foundation::IInspectable>::<lambda_c45f47b7e8e0f80bc2a45684739b042d>::operator()+0x1a [E:\BA\97\s\src\cascadia\TerminalApp\Generated Files\winrt\Windows.Foundation.h @ 2511] 11 00000066`5b8fea40 00007ff8`81857cd3 TerminalApp!winrt::impl::delegate<winrt::Windows::Foundation::TypedEventHandler<winrt::Windows::UI::Xaml::FrameworkElement,winrt::Windows::Foundation::IInspectable>,<lambda_c45f47b7e8e0f80bc2a45684739b042d> >::Invoke+0x3b [E:\BA\97\s\src\cascadia\TerminalApp\Generated Files\winrt\Windows.Foundation.h @ 894] 12 00000066`5b8fea90 00007ff8`81857b9a Windows_UI_Xaml!GetErrorContextIndex+0x117c03 13 00000066`5b8feaf0 00007ff8`8185c2e8 Windows_UI_Xaml!GetErrorContextIndex+0x117aca 14 00000066`5b8feb30 00007ff8`81994285 Windows_UI_Xaml!GetErrorContextIndex+0x11c218 15 00000066`5b8feb80 00007ff8`8185cc09 Windows_UI_Xaml!DllCanUnloadNow+0x34925 16 00000066`5b8febf0 00007ff8`8182404d Windows_UI_Xaml!GetErrorContextIndex+0x11cb39 17 00000066`5b8fec90 00007ff8`818231af Windows_UI_Xaml!GetErrorContextIndex+0xe3f7d 18 00000066`5b8fed20 00007ff8`819f51f4 Windows_UI_Xaml!GetErrorContextIndex+0xe30df 19 00000066`5b8fee30 00007ff8`819f5001 Windows_UI_Xaml!DllCanUnloadNow+0x95894 1a 00000066`5b8fee90 00007ff8`819f4f20 Windows_UI_Xaml!DllCanUnloadNow+0x956a1 1b 00000066`5b8feed0 00007ff8`818ba7c1 Windows_UI_Xaml!DllCanUnloadNow+0x955c0 1c 00000066`5b8fef30 00007ff8`818ba6a3 Windows_UI_Xaml!DllGetActivationFactory+0x49e71 1d 00000066`5b8fef70 00007ff8`817fcfb0 Windows_UI_Xaml!DllGetActivationFactory+0x49d53 1e 00000066`5b8fefa0 00007ff8`817fce40 Windows_UI_Xaml!GetErrorContextIndex+0xbcee0 1f 00000066`5b8fefe0 00007ff8`817e6e55 Windows_UI_Xaml!GetErrorContextIndex+0xbcd70 ``` </details>
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@araujofrancisco commented on GitHub (May 27, 2021):

I am using Windows Terminal from Microsoft store 1.8.1444.0 and this morning started crashing on startup, last night it was working, so i guess might be related to some windows update?

@araujofrancisco commented on GitHub (May 27, 2021): I am using Windows Terminal from Microsoft store 1.8.1444.0 and this morning started crashing on startup, last night it was working, so i guess might be related to some windows update?
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@DHowett commented on GitHub (May 27, 2021):

Can you try to "Repair" the app in the Settings>Apps>All Apps page?

@DHowett commented on GitHub (May 27, 2021): Can you try to "Repair" the app in the Settings>Apps>All Apps page?
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@zadjii-msft commented on GitHub (May 27, 2021):

@araujofrancisco If you're seeing a crash on startup in 1.8.1444, then that's a going to be a totally different root cause than this thread. Mind filing a new issue if the "repair" option doesn't work for you?

@zadjii-msft commented on GitHub (May 27, 2021): @araujofrancisco If you're seeing a crash on startup in 1.8.1444, then that's a going to be a totally different root cause than this thread. Mind filing a new issue if the "repair" option doesn't work for you?
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@araujofrancisco commented on GitHub (May 27, 2021):

Can you try to "Repair" the app in the Settings>Apps>All Apps page?

This worked, thanks!

@araujofrancisco commented on GitHub (May 27, 2021): > Can you try to "Repair" the app in the Settings>Apps>All Apps page? This worked, thanks!
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@zadjii-msft commented on GitHub (May 27, 2021):

Oh no

I tried reproing this with the debugger attached to the launch of the Terminal, so I could breakpoint immediately. Guess what, the problem went away, and now it's no longer hitting at all. Like it won't repro even without the debugger. Shoot.

I'm a tad worried that the package was somehow busted and launching with the debugger made the OS just sort it's shit out. But no way to know now 😕

Niksa said he'd take a look at the dump though, so I'll leave this open for him. I don't think there's anything valuable in it, considering we're in the CATCH_FAIL_FAST, and not where the exception was thrown. If he can't find anything from it, then I'll let him just close this out, and keep an eye out for other reports.

@zadjii-msft commented on GitHub (May 27, 2021): Oh _no_ I tried reproing this with the debugger attached to the launch of the Terminal, so I could breakpoint immediately. Guess what, the problem went away, and now it's _no longer hitting at all_. Like it won't repro even without the debugger. Shoot. I'm a tad worried that the package was somehow busted and launching with the debugger made the OS just sort it's shit out. But no way to know now 😕 Niksa said he'd take a look at the dump though, so I'll leave this open for him. I don't think there's anything valuable in it, considering we're in the `CATCH_FAIL_FAST`, and not where the exception was thrown. If he can't find anything from it, then I'll let him just close this out, and keep an eye out for other reports.
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@zadjii-msft commented on GitHub (May 27, 2021):

It also looks like this is (failure?) 13cbe5b8-092a-28b2-3256-509530451824 in watson. So it's definitely real.

@zadjii-msft commented on GitHub (May 27, 2021): It also looks like this is (failure?) 13cbe5b8-092a-28b2-3256-509530451824 in watson. So it's definitely real.
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@miniksa commented on GitHub (May 27, 2021):

How to find the real exception from a wil fail fast:

  1. Starting from fail fast dump, do .ecxr to get into the exception record.
  2. kP to dump the stack with parameters
  3. From the frame with VCRUNTIME140_1!__FrameHandler4::CxxCallCatchBlock, find the struct _EXCEPTION_RECORD * pExcept parameter and call .exr <address> with that parameter address. In my case the address was 0x000000665b8fd3d0`
  4. I got one with Exception Code 0x80000029 and 15 parameters. 3 of the parameters in this exception record have the sameish address to the exception record... parameters 1, 4, and 6 for me.
0:000> .exr 0x00000066`5b8fd3d0
ExceptionAddress: 0000000000000000
   ExceptionCode: 80000029
  ExceptionFlags: 00000022
NumberParameters: 15
   Parameter[0]: 00007ff8bcf82590
   Parameter[1]: 000000665b8fd538
   Parameter[2]: 00007ff882bbc8bf
   Parameter[3]: 0000000000000000
   Parameter[4]: 000000665b8fdfd0
   Parameter[5]: 00007ff882b50000
   Parameter[6]: 000000665b8fe810
   Parameter[7]: 0000000000000000
   Parameter[8]: 0000000019930520
   Parameter[9]: 00007ff882b50000
   Parameter[10]: 0000000000000000
   Parameter[11]: 0000000000000001
   Parameter[12]: 0000000000000000
   Parameter[13]: 0000000000000000
   Parameter[14]: 0000000000000000	
  1. Try .exr-ing each of those addresses. Params 1 and 4 looked like nonsense. But I struck gold on 6 and it dumped out a C++ EH exception
    Param 1:
0:000> .exr 000000665b8fd538
ExceptionAddress: 0000000000000000
   ExceptionCode: 5b8fe9c0
  ExceptionFlags: 00000066
NumberParameters: 1536153568
   Parameter[0]: 000000665b8fd5f8
   Parameter[1]: 00007ff882d41b60
   Parameter[2]: 000000665b8fd5b8
   Parameter[3]: 0000006600000000
   Parameter[4]: 0000000000000000
   Parameter[5]: 0000024830c0f400
   Parameter[6]: 0000006600000000
   Parameter[7]: 0000000000000000
   Parameter[8]: 0000000100000000
   Parameter[9]: 00007ff882d41bac
   Parameter[10]: 000000665b8fd810
   Parameter[11]: 000000665b8fd620
   Parameter[12]: 0000000000000000
   Parameter[13]: 001e551100000001
   Parameter[14]: 00007ff8c7c46770

That Exception Code looks like non-sense. They usually start with 8xxx or Cxxx or 0000 depending on if it's an HRESULT, NTSTATUS, or Win32 error.

Param 4:

0:000> .exr 000000665b8fdfd0
ExceptionAddress: 0000000000000000
   ExceptionCode: 00000000
  ExceptionFlags: 00000000
NumberParameters: 0

Yeah that looks like nothing.

Param 6:

0:000> .exr 000000665b8fe810
ExceptionAddress: 00007ff8c552491c (KERNELBASE!RaiseException+0x000000000000006c)
   ExceptionCode: e06d7363 (C++ EH exception)
  ExceptionFlags: 00000081
NumberParameters: 4
   Parameter[0]: 0000000019930520
   Parameter[1]: 000000665b8fe960
   Parameter[2]: 00007ff882d41b88
   Parameter[3]: 00007ff882b50000
  pExceptionObject: 000000665b8fe960
  _s_ThrowInfo    : 00007ff882d41b88

Jackpot.

  1. Find a Raymond Chen blog post that says how to dig this apart https://devblogs.microsoft.com/oldnewthing/20100730-00/?p=13273 and follow directions.

dd on Parameter 2

0:000> dd 00007ff882d41b88 l4
00007ff8`82d41b88  00000000 0005aefc 00000000 001f1ba8

dd on the 4th chunk + Parameter 3

0:000> dd 00007ff882b50000+001f1ba8 l2
00007ff8`82d41ba8  00000001 001f1b60

dd on the 2nd chunk + Parameter 3

0:000> dd 00007ff882b50000+001f1b60 l2
00007ff8`82d41b60  00000000 001f73d0

da on the 2nd chunk + Parameter 3 + 0x10

0:000> da 00007ff882b50000+001f73d0+10
00007ff8`82d473e0  ".?AUhresult_error@winrt@@"

OK so it's a ::winrt::hresult_error. Now let's try to see what's inside.

  1. With type information in hand, dump type on Parameter 1.
0:000> dt 000000665b8fe960 winrt::hresult_error
WindowsTerminal!winrt::hresult_error
   +0x000 m_debug_reference : winrt::handle_type<winrt::impl::bstr_traits>
   +0x008 m_debug_magic    : 0xaabbccdd
   +0x00c m_code           : winrt::hresult
   +0x010 m_info           : winrt::com_ptr<winrt::impl::IRestrictedErrorInfo>

HEY-O. That feels almost reasonable.

Clicky through on m_code which will do

0:000> dx -r1 (*((WindowsTerminal!winrt::hresult *)0x665b8fe96c))
(*((WindowsTerminal!winrt::hresult *)0x665b8fe96c))                 [Type: winrt::hresult]
    [+0x000] value            : -2147023728 [Type: int]

0:000> ? 0n-2147023728
Evaluate expression: -2147023728 = ffffffff`80070490

0:000> !err 80070490
0x80070490 (FACILITY_WIN32 - Win32 Undecorated Error Codes): Element not found.

OK so 80070490. That's clearly an HRESULT. Lookup turns it into E_NOTFOUND.

Clicky through on m_info which will do

0:000> dx -r1 (*((WindowsTerminal!winrt::com_ptr<winrt::impl::IRestrictedErrorInfo> *)0x665b8fe970))
(*((WindowsTerminal!winrt::com_ptr<winrt::impl::IRestrictedErrorInfo> *)0x665b8fe970))                 [Type: winrt::com_ptr<winrt::impl::IRestrictedErrorInfo>]
    [+0x000] m_ptr            : 0x2483bf54278 [Type: winrt::impl::IRestrictedErrorInfo *]

Clicky through on m_ptr which will do...

0:000> dx -r1 ((WindowsTerminal!winrt::impl::IRestrictedErrorInfo *)0x2483bf54278)
((WindowsTerminal!winrt::impl::IRestrictedErrorInfo *)0x2483bf54278)                 : 0x2483bf54270 [Type: CRestrictedError * (derived from winrt::impl::IRestrictedErrorInfo *)]
    [+0x000] Microsoft::WRL::RuntimeClass<Microsoft::WRL::RuntimeClassFlags<2>,Microsoft::WRL::ChainInterfaces<ICreateRestrictedErrorInfo3,ICreateRestrictedErrorInfo2,ICreateRestrictedErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfo,Microsoft::WRL::ChainInterfaces<IErrorInfoWithRestrictedPropagation,IErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfoContext,Microsoft::WRL::ChainInterfaces<ILanguageExceptionErrorInfo2,ILanguageExceptionErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfoTelemetry,IRestrictedErrorInfoInternal,IMarshal,IRestrictedErrorRpcMarshal> : ref count=2 [Type: Microsoft::WRL::RuntimeClass<Microsoft::WRL::RuntimeClassFlags<2>,Microsoft::WRL::ChainInterfaces<ICreateRestrictedErrorInfo3,ICreateRestrictedErrorInfo2,ICreateRestrictedErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfo,Microsoft::WRL::ChainInterfaces<IErrorInfoWithRestrictedPropagation,IErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfoContext,Microsoft::WRL::ChainInterfaces<ILanguageExceptionErrorInfo2,ILanguageExceptionErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfoTelemetry,IRestrictedErrorInfoInternal,IMarshal,IRestrictedErrorRpcMarshal>]
    [+0x050] _pszDescription  : 0x2483bec17b0 : "Element not found..." [Type: wchar_t *]
    [+0x058] _pszRestrictedDescription : 0x2483bec8590 : "Element not found..." [Type: wchar_t *]
    [+0x060] _pszCapabilitySid : 0x0 [Type: wchar_t *]
    [+0x068] _hrError         : 0x80070490 (Element not found.) [Type: HRESULT]
    [+0x070] _pszSectionName  : 0x0 [Type: wchar_t *]
    [+0x078] _hSection        : 0x0 [Type: void *]
    [+0x080] _dwVersion       : 0x10002 [Type: unsigned long]
    [=0x7ff8c70e6058] _szPrefix        : "RestrictedErrorObject-" [Type: wchar_t [0]]
    cMaxFramesCountInStackText : 0xf [Type: unsigned short]
    cOffsetBufferSize : 0x11 [Type: unsigned int]
    [+0x084] _cStackBackTrace : 0x29 [Type: unsigned short]
    [+0x088] _ppvStackBackTrace : 0x2483ab26690 [Type: void * *]
    [+0x090] _stackBackTracePointerSize : 0x8 [Type: unsigned short]
    [+0x098] _stowedExceptionInformation : 0x80070490 (Element not found.) [Type: _STOWED_EXCEPTION_INFORMATION_V2]
    [+0x0d0] _spLanguageException : {...} [Type: Microsoft::WRL::ComPtr<IUnknown>]
    [+0x0d8] _correlationId   : {5C6E72EA-C795-3658-2381-6B507ED4B09D} [Type: _GUID]
    [+0x0e8] _spPreviousCRestrictedError : {...} [Type: Microsoft::WRL::ComPtr<IRestrictedErrorInfo>]
    [+0x0f0] _spPropagationCRestrictedErrorHead : {...} [Type: Microsoft::WRL::ComPtr<IRestrictedErrorInfo>]
    [+0x0f8] _bIsTransformed  : 0 [Type: int]
    [+0x0fc] _bRestrictMarshalingData : 0 [Type: int]
    [+0x100] _numPropagations : 0x0 [Type: unsigned short]
    [+0x108] _pszSignature    : 0x2483be4fc80 : "cb4e986d262520cea7cccbd9e149900e" [Type: wchar_t *]
    [+0x110] m_pofProcessName : 0x2483beca150 : "WindowsTerminal.exe" [Type: wchar_t *]
    [+0x118] m_pofStackText   : 0x24833f09130 : "combase.dll{7211F699-80A6-CBCE-F336-18686CA7E916}+0xf4694..TerminalApp.dll{701E349C-364C-47CC-97F5-35EC1F45FEAD}+0x2e47b..TerminalApp.dll+0x2e39a..TerminalApp.dll+0x2e2e2..TerminalApp.dll+0xe626c..TerminalApp.dll+0x6c8b9..TerminalApp.dll+0x5b2cb..TerminalApp.dll+0x5acdb..Windows.UI.Xaml.dll{E4CA2B0B-5146-136F-DE5C-F21AF51E3290}+0x1a7cd3..Windows.UI.Xaml.dll+0x1a7b9a..Windows.UI.Xaml.dll+0x1ac2e8..Windows.UI.Xaml.dll+0x2e4285..Windows.UI.Xaml.dll+0x1acc09..Windows.UI.Xaml.dll+0x17404d..Wi... [Type: wchar_t *]
    [+0x120] m_stowedExceptionErorText [Type: wil::unique_any_t<wil::details::unique_storage<wil::details::resource_policy<unsigned short *,void * (__cdecl*)(void *),&LocalFree,wistd::integral_constant<unsigned __int64,0>,unsigned short *,unsigned short *,0,std::nullptr_t> > >]
    [+0x128] _snapshotHandle  : 0x0 [Type: HPSS__ *]
    [+0x130] _snapshotContext [Type: _CONTEXT]
    [+0x600] _snashpotThreadId : 0x0 [Type: unsigned long]
    [+0x608] _snapshotReturnAddress : 0x0 [Type: void *]
    [+0x610] _pSnapshotCleanupTimer : 0x0 [Type: _TP_TIMER *]
    [+0x618] _dwOriginatingProcessId : 0xe84 [Type: unsigned long]
    [+0x61c] _dwDestinationProcessId : 0x0 [Type: unsigned long]
    CURRENT_VERSION  : 0x10002 [Type: unsigned long]

And it looks like we are almost in business. Now to figure out how to decode this...

@miniksa commented on GitHub (May 27, 2021): How to find the real exception from a wil fail fast: 1. Starting from fail fast dump, do `.ecxr` to get into the exception record. 2. `kP` to dump the stack with parameters 3. From the frame with `VCRUNTIME140_1!__FrameHandler4::CxxCallCatchBlock`, find the `struct _EXCEPTION_RECORD * pExcept` parameter and call `.exr <address>` with that parameter address. In my case the address was `0x00000066`5b8fd3d0` 4. I got one with Exception Code `0x80000029` and 15 parameters. 3 of the parameters in this exception record have the sameish address to the exception record... parameters 1, 4, and 6 for me. ``` 0:000> .exr 0x00000066`5b8fd3d0 ExceptionAddress: 0000000000000000 ExceptionCode: 80000029 ExceptionFlags: 00000022 NumberParameters: 15 Parameter[0]: 00007ff8bcf82590 Parameter[1]: 000000665b8fd538 Parameter[2]: 00007ff882bbc8bf Parameter[3]: 0000000000000000 Parameter[4]: 000000665b8fdfd0 Parameter[5]: 00007ff882b50000 Parameter[6]: 000000665b8fe810 Parameter[7]: 0000000000000000 Parameter[8]: 0000000019930520 Parameter[9]: 00007ff882b50000 Parameter[10]: 0000000000000000 Parameter[11]: 0000000000000001 Parameter[12]: 0000000000000000 Parameter[13]: 0000000000000000 Parameter[14]: 0000000000000000 ``` 5. Try `.exr`-ing each of those addresses. Params 1 and 4 looked like nonsense. But I struck gold on 6 and it dumped out a C++ EH exception Param 1: ``` 0:000> .exr 000000665b8fd538 ExceptionAddress: 0000000000000000 ExceptionCode: 5b8fe9c0 ExceptionFlags: 00000066 NumberParameters: 1536153568 Parameter[0]: 000000665b8fd5f8 Parameter[1]: 00007ff882d41b60 Parameter[2]: 000000665b8fd5b8 Parameter[3]: 0000006600000000 Parameter[4]: 0000000000000000 Parameter[5]: 0000024830c0f400 Parameter[6]: 0000006600000000 Parameter[7]: 0000000000000000 Parameter[8]: 0000000100000000 Parameter[9]: 00007ff882d41bac Parameter[10]: 000000665b8fd810 Parameter[11]: 000000665b8fd620 Parameter[12]: 0000000000000000 Parameter[13]: 001e551100000001 Parameter[14]: 00007ff8c7c46770 ``` That Exception Code looks like non-sense. They usually start with `8xxx` or `Cxxx` or `0000` depending on if it's an `HRESULT`, `NTSTATUS`, or `Win32` error. Param 4: ``` 0:000> .exr 000000665b8fdfd0 ExceptionAddress: 0000000000000000 ExceptionCode: 00000000 ExceptionFlags: 00000000 NumberParameters: 0 ``` Yeah that looks like nothing. Param 6: ``` 0:000> .exr 000000665b8fe810 ExceptionAddress: 00007ff8c552491c (KERNELBASE!RaiseException+0x000000000000006c) ExceptionCode: e06d7363 (C++ EH exception) ExceptionFlags: 00000081 NumberParameters: 4 Parameter[0]: 0000000019930520 Parameter[1]: 000000665b8fe960 Parameter[2]: 00007ff882d41b88 Parameter[3]: 00007ff882b50000 pExceptionObject: 000000665b8fe960 _s_ThrowInfo : 00007ff882d41b88 ``` Jackpot. 6. Find a Raymond Chen blog post that says how to dig this apart https://devblogs.microsoft.com/oldnewthing/20100730-00/?p=13273 and follow directions. `dd` on Parameter 2 ``` 0:000> dd 00007ff882d41b88 l4 00007ff8`82d41b88 00000000 0005aefc 00000000 001f1ba8 ``` `dd` on the 4th chunk + Parameter 3 ``` 0:000> dd 00007ff882b50000+001f1ba8 l2 00007ff8`82d41ba8 00000001 001f1b60 ``` `dd` on the 2nd chunk + Parameter 3 ``` 0:000> dd 00007ff882b50000+001f1b60 l2 00007ff8`82d41b60 00000000 001f73d0 ``` `da` on the 2nd chunk + Parameter 3 + 0x10 ``` 0:000> da 00007ff882b50000+001f73d0+10 00007ff8`82d473e0 ".?AUhresult_error@winrt@@" ``` OK so it's a `::winrt::hresult_error`. Now let's try to see what's inside. 7. With type information in hand, dump type on Parameter 1. ``` 0:000> dt 000000665b8fe960 winrt::hresult_error WindowsTerminal!winrt::hresult_error +0x000 m_debug_reference : winrt::handle_type<winrt::impl::bstr_traits> +0x008 m_debug_magic : 0xaabbccdd +0x00c m_code : winrt::hresult +0x010 m_info : winrt::com_ptr<winrt::impl::IRestrictedErrorInfo> ``` HEY-O. That feels almost reasonable. Clicky through on `m_code` which will do ``` 0:000> dx -r1 (*((WindowsTerminal!winrt::hresult *)0x665b8fe96c)) (*((WindowsTerminal!winrt::hresult *)0x665b8fe96c)) [Type: winrt::hresult] [+0x000] value : -2147023728 [Type: int] 0:000> ? 0n-2147023728 Evaluate expression: -2147023728 = ffffffff`80070490 0:000> !err 80070490 0x80070490 (FACILITY_WIN32 - Win32 Undecorated Error Codes): Element not found. ``` OK so `80070490`. That's clearly an `HRESULT`. Lookup turns it into `E_NOTFOUND`. Clicky through on `m_info` which will do ``` 0:000> dx -r1 (*((WindowsTerminal!winrt::com_ptr<winrt::impl::IRestrictedErrorInfo> *)0x665b8fe970)) (*((WindowsTerminal!winrt::com_ptr<winrt::impl::IRestrictedErrorInfo> *)0x665b8fe970)) [Type: winrt::com_ptr<winrt::impl::IRestrictedErrorInfo>] [+0x000] m_ptr : 0x2483bf54278 [Type: winrt::impl::IRestrictedErrorInfo *] ``` Clicky through on `m_ptr` which will do... ``` 0:000> dx -r1 ((WindowsTerminal!winrt::impl::IRestrictedErrorInfo *)0x2483bf54278) ((WindowsTerminal!winrt::impl::IRestrictedErrorInfo *)0x2483bf54278) : 0x2483bf54270 [Type: CRestrictedError * (derived from winrt::impl::IRestrictedErrorInfo *)] [+0x000] Microsoft::WRL::RuntimeClass<Microsoft::WRL::RuntimeClassFlags<2>,Microsoft::WRL::ChainInterfaces<ICreateRestrictedErrorInfo3,ICreateRestrictedErrorInfo2,ICreateRestrictedErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfo,Microsoft::WRL::ChainInterfaces<IErrorInfoWithRestrictedPropagation,IErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfoContext,Microsoft::WRL::ChainInterfaces<ILanguageExceptionErrorInfo2,ILanguageExceptionErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfoTelemetry,IRestrictedErrorInfoInternal,IMarshal,IRestrictedErrorRpcMarshal> : ref count=2 [Type: Microsoft::WRL::RuntimeClass<Microsoft::WRL::RuntimeClassFlags<2>,Microsoft::WRL::ChainInterfaces<ICreateRestrictedErrorInfo3,ICreateRestrictedErrorInfo2,ICreateRestrictedErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfo,Microsoft::WRL::ChainInterfaces<IErrorInfoWithRestrictedPropagation,IErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfoContext,Microsoft::WRL::ChainInterfaces<ILanguageExceptionErrorInfo2,ILanguageExceptionErrorInfo,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,IRestrictedErrorInfoTelemetry,IRestrictedErrorInfoInternal,IMarshal,IRestrictedErrorRpcMarshal>] [+0x050] _pszDescription : 0x2483bec17b0 : "Element not found..." [Type: wchar_t *] [+0x058] _pszRestrictedDescription : 0x2483bec8590 : "Element not found..." [Type: wchar_t *] [+0x060] _pszCapabilitySid : 0x0 [Type: wchar_t *] [+0x068] _hrError : 0x80070490 (Element not found.) [Type: HRESULT] [+0x070] _pszSectionName : 0x0 [Type: wchar_t *] [+0x078] _hSection : 0x0 [Type: void *] [+0x080] _dwVersion : 0x10002 [Type: unsigned long] [=0x7ff8c70e6058] _szPrefix : "RestrictedErrorObject-" [Type: wchar_t [0]] cMaxFramesCountInStackText : 0xf [Type: unsigned short] cOffsetBufferSize : 0x11 [Type: unsigned int] [+0x084] _cStackBackTrace : 0x29 [Type: unsigned short] [+0x088] _ppvStackBackTrace : 0x2483ab26690 [Type: void * *] [+0x090] _stackBackTracePointerSize : 0x8 [Type: unsigned short] [+0x098] _stowedExceptionInformation : 0x80070490 (Element not found.) [Type: _STOWED_EXCEPTION_INFORMATION_V2] [+0x0d0] _spLanguageException : {...} [Type: Microsoft::WRL::ComPtr<IUnknown>] [+0x0d8] _correlationId : {5C6E72EA-C795-3658-2381-6B507ED4B09D} [Type: _GUID] [+0x0e8] _spPreviousCRestrictedError : {...} [Type: Microsoft::WRL::ComPtr<IRestrictedErrorInfo>] [+0x0f0] _spPropagationCRestrictedErrorHead : {...} [Type: Microsoft::WRL::ComPtr<IRestrictedErrorInfo>] [+0x0f8] _bIsTransformed : 0 [Type: int] [+0x0fc] _bRestrictMarshalingData : 0 [Type: int] [+0x100] _numPropagations : 0x0 [Type: unsigned short] [+0x108] _pszSignature : 0x2483be4fc80 : "cb4e986d262520cea7cccbd9e149900e" [Type: wchar_t *] [+0x110] m_pofProcessName : 0x2483beca150 : "WindowsTerminal.exe" [Type: wchar_t *] [+0x118] m_pofStackText : 0x24833f09130 : "combase.dll{7211F699-80A6-CBCE-F336-18686CA7E916}+0xf4694..TerminalApp.dll{701E349C-364C-47CC-97F5-35EC1F45FEAD}+0x2e47b..TerminalApp.dll+0x2e39a..TerminalApp.dll+0x2e2e2..TerminalApp.dll+0xe626c..TerminalApp.dll+0x6c8b9..TerminalApp.dll+0x5b2cb..TerminalApp.dll+0x5acdb..Windows.UI.Xaml.dll{E4CA2B0B-5146-136F-DE5C-F21AF51E3290}+0x1a7cd3..Windows.UI.Xaml.dll+0x1a7b9a..Windows.UI.Xaml.dll+0x1ac2e8..Windows.UI.Xaml.dll+0x2e4285..Windows.UI.Xaml.dll+0x1acc09..Windows.UI.Xaml.dll+0x17404d..Wi... [Type: wchar_t *] [+0x120] m_stowedExceptionErorText [Type: wil::unique_any_t<wil::details::unique_storage<wil::details::resource_policy<unsigned short *,void * (__cdecl*)(void *),&LocalFree,wistd::integral_constant<unsigned __int64,0>,unsigned short *,unsigned short *,0,std::nullptr_t> > >] [+0x128] _snapshotHandle : 0x0 [Type: HPSS__ *] [+0x130] _snapshotContext [Type: _CONTEXT] [+0x600] _snashpotThreadId : 0x0 [Type: unsigned long] [+0x608] _snapshotReturnAddress : 0x0 [Type: void *] [+0x610] _pSnapshotCleanupTimer : 0x0 [Type: _TP_TIMER *] [+0x618] _dwOriginatingProcessId : 0xe84 [Type: unsigned long] [+0x61c] _dwDestinationProcessId : 0x0 [Type: unsigned long] CURRENT_VERSION : 0x10002 [Type: unsigned long] ``` And it looks like we are almost in business. Now to figure out how to decode this...
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@miniksa commented on GitHub (May 28, 2021):

This particular line ended up a dead end. Doing dps on the property _ppvStackBackTrace (which is the same value as the one inside _stowedExceptionInformation didn't reveal anything in the stack except the rethrowing of this error at the boundary between TerminalApp and TerminalConnection. Unfortunately the original error of 0x80070490 (E_NOTFOUND) is generated inside TerminalConnection so this felt like a dead end.

Except with @zadjii-msft identifying the Watson bucket 13cbe5b8-092a-28b2-3256-509530451824, I found crash dumps on the back end that contained additional trace data from the COM activation system. I asked @brialmsft internally and he helped crack it open and identify that somehow despite the application package full name being Microsoft.WindowsTerminalPreview_1.9.1445.0_x64__8wekyb3d8bbwe, the registration of the COM Server object in TerminalConnection ended up looking up Microsoft.WindowsTerminalPreview_1.8.1032.0_x64__8wekyb3d8bbwe and thus not finding what it needed. He also confirmed that this is where the E_NOTFOUND error is coming from.

This shouldn't have happened. But... we need to transfer this issue internally to have the platform teams figure out why. I will link this to #10243 as a main bug because there are several others related that look like the same version sharding cause.

@miniksa commented on GitHub (May 28, 2021): This particular line ended up a dead end. Doing `dps` on the property `_ppvStackBackTrace` (which is the same value as the one inside `_stowedExceptionInformation` didn't reveal anything in the stack except the rethrowing of this error at the boundary between `TerminalApp` and `TerminalConnection`. Unfortunately the original error of `0x80070490` (`E_NOTFOUND`) is generated inside `TerminalConnection` so this felt like a dead end. Except with @zadjii-msft identifying the Watson bucket `13cbe5b8-092a-28b2-3256-509530451824`, I found crash dumps on the back end that contained additional trace data from the COM activation system. I asked @brialmsft internally and he helped crack it open and identify that somehow despite the application package full name being `Microsoft.WindowsTerminalPreview_1.9.1445.0_x64__8wekyb3d8bbwe`, the registration of the COM Server object in `TerminalConnection` ended up looking up `Microsoft.WindowsTerminalPreview_1.8.1032.0_x64__8wekyb3d8bbwe` and thus not finding what it needed. He also confirmed that this is where the `E_NOTFOUND` error is coming from. This shouldn't have happened. But... we need to transfer this issue internally to have the platform teams figure out why. I will link this to #10243 as a main bug because there are several others related that look like the same version sharding cause.
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@miniksa commented on GitHub (May 28, 2021):

(In this bug, I will remove the fail fast, turning it into a log statement instead, and defapp just won't work until you start another session. Better than crashing but mildly unsatisfying. Also should only happen when new versions are pushed which isn't every day.)

@miniksa commented on GitHub (May 28, 2021): (In this bug, I will remove the fail fast, turning it into a log statement instead, and defapp just won't work until you start another session. Better than crashing but mildly unsatisfying. Also should only happen when new versions are pushed which isn't every day.)
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@miniksa commented on GitHub (May 28, 2021):

See internal MSFT:33501832

@miniksa commented on GitHub (May 28, 2021): See internal MSFT:33501832
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@ghost commented on GitHub (Jul 14, 2021):

:tada:This issue was addressed in #10261, which has now been successfully released as Windows Terminal v1.9.1942.0.🎉

Handy links:

@ghost commented on GitHub (Jul 14, 2021): :tada:This issue was addressed in #10261, which has now been successfully released as `Windows Terminal v1.9.1942.0`.:tada: Handy links: * [Release Notes](https://github.com/microsoft/terminal/releases/tag/v1.9.1942.0) * [Store Download](https://www.microsoft.com/store/apps/9n8g5rfz9xk3?cid=storebadge&ocid=badge)
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@ghost commented on GitHub (Jul 14, 2021):

:tada:This issue was addressed in #10261, which has now been successfully released as Windows Terminal Preview v1.10.1933.0.🎉

Handy links:

@ghost commented on GitHub (Jul 14, 2021): :tada:This issue was addressed in #10261, which has now been successfully released as `Windows Terminal Preview v1.10.1933.0`.:tada: Handy links: * [Release Notes](https://github.com/microsoft/terminal/releases/tag/v1.10.1933.0) * [Store Download](https://www.microsoft.com/store/apps/9n8g5rfz9xk3?cid=storebadge&ocid=badge)
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Reference: starred/terminal#13985