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Dragging Terminal window results in it turning white and unresponsive #3090

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opened 2026-01-30 23:12:45 +00:00 by claunia · 7 comments
claunia commented 2026-01-30 23:12:45 +00:00
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Originally created by @tonysln on GitHub (Aug 3, 2019).

Environment

Windows build number: [Version 10.0.18362.267]
Windows Terminal version: v0.3.2142.0

Steps to reproduce

  1. Start up Windows Terminal.
  2. Drag the window.

Expected behavior

The terminal window should move as any other window.

Actual behavior

The terminal turns white, all tabs and buttons become disabled. The terminal still can be dragged and resized. Maximizing the terminal window restores it back to normal.

2019-08-03-1545-38

Originally created by @tonysln on GitHub (Aug 3, 2019). <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: [Version 10.0.18362.267] Windows Terminal version: v0.3.2142.0 ``` # Steps to reproduce <!-- A description of how to trigger this bug. --> 1. Start up Windows Terminal. 2. Drag the window. # Expected behavior <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> The terminal window should move as any other window. # Actual behavior <!-- What's actually happening? --> The terminal turns white, all tabs and buttons become disabled. The terminal still can be dragged and resized. Maximizing the terminal window restores it back to normal. ![2019-08-03-1545-38](https://user-images.githubusercontent.com/20811603/62412249-319ee000-b608-11e9-8586-c54fc415de45.gif)
claunia commented 2026-01-30 23:12:47 +00:00
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@zadjii-msft commented on GitHub (Aug 5, 2019):

So curiously only the Xaml part of the window seems to hide itself. As you can see, the "drag handle" at the top of the window still paints itself correctly when the window turns white. That drag handle is done in Win32, while the rest of the window is all drawn with XAML Islands. If I had to guess, the XAML looks like it is still trying to render itself, because we don't paint the entirety of the win32 window, only the borders and drag area.

I'm going to summon @ocalvo and @austin-lamb to see if they have any ideas why this might be happening, or if there's anything about the machine configuration that we could use to narrow this problem done.

Also cc'ing @0warning0error who filed a dupe and might be able to get us more info.

@zadjii-msft commented on GitHub (Aug 5, 2019): So curiously only the Xaml part of the window seems to hide itself. As you can see, the "drag handle" at the top of the window still paints itself correctly when the window turns white. That drag handle is done in Win32, while the rest of the window is all drawn with XAML Islands. If I had to guess, the XAML looks like it is still trying to render itself, because we don't paint the entirety of the win32 window, only the borders and drag area. I'm going to summon @ocalvo and @austin-lamb to see if they have any ideas why this might be happening, or if there's anything about the machine configuration that we could use to narrow this problem done. Also cc'ing @0warning0error who filed a dupe and might be able to get us more info.
claunia commented 2026-01-30 23:12:47 +00:00
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@cparis commented on GitHub (Aug 6, 2019):

Additional detail:
If you are able to send re-size commands to the window, it will start responding again.

For example, Win-Left or Win-Right. Or if you drag with your mouse to the side of your monitor, or double click on the exposed/functioning title bar.

@cparis commented on GitHub (Aug 6, 2019): Additional detail: If you are able to send re-size commands to the window, it will start responding again. For example, Win-Left or Win-Right. Or if you drag with your mouse to the side of your monitor, or double click on the exposed/functioning title bar.
claunia commented 2026-01-30 23:12:47 +00:00
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@tonysln commented on GitHub (Aug 21, 2019):

I would like to add another observation.

In my case, sending re-size commands does restore the window, but as demonstrated in my gif, the window will become unresponsive once dragged again. However, resizing the window (while it's still responsive) into an entirely different shape fixes this issue and it does not appear again until the terminal is resized back into the initial shape and size, but there's multiple of these shapes.

It seems that this bug happens only with selected shapes of the window, here's another one for example:

image

If I would make this window a bit wider, the bug would not replicate no matter how much I dragged or resized.

@tonysln commented on GitHub (Aug 21, 2019): I would like to add another observation. In my case, sending re-size commands does restore the window, but as demonstrated in my gif, the window will become unresponsive once dragged again. However, resizing the window (while it's still responsive) into an entirely different shape fixes this issue and it does not appear again until the terminal is resized back into the initial shape and size, but there's multiple of these shapes. It seems that this bug happens only with selected shapes of the window, here's another one for example: ![image](https://user-images.githubusercontent.com/20811603/63469772-b21c6800-c473-11e9-9036-9ac52a6e18e1.png) If I would make this window a bit wider, the bug would not replicate no matter how much I dragged or resized.
claunia commented 2026-01-30 23:12:47 +00:00
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@Tembocs commented on GitHub (Oct 15, 2019):

Just installed Windows Terminal yesterday and faces the same issue.

@Tembocs commented on GitHub (Oct 15, 2019): Just installed Windows Terminal yesterday and faces the same issue.
claunia commented 2026-01-30 23:12:47 +00:00
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@zadjii-msft commented on GitHub (Mar 25, 2021):

@Tembocs & @tonysln - Are either of you still seeing this? This bug is from like, 18 months ago now, and a good amount of our code has changed since then. We also haven't gotten any other reports of this, so I'm thinking this might have just gone away from some other change?

@zadjii-msft commented on GitHub (Mar 25, 2021): @Tembocs & @tonysln - Are either of you still seeing this? This bug is from like, 18 months ago now, and a good amount of our code has changed since then. We also haven't gotten any other reports of this, so I'm thinking this might have just gone away from some other change?
claunia commented 2026-01-30 23:12:48 +00:00
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@tonysln commented on GitHub (Mar 25, 2021):

Can't replicate the bug anymore! Using version 1.6.10571.0.

@tonysln commented on GitHub (Mar 25, 2021): Can't replicate the bug anymore! Using version `1.6.10571.0`.
claunia commented 2026-01-30 23:12:48 +00:00
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@zadjii-msft commented on GitHub (Mar 25, 2021):

Fantastic! Glad we fixed it (sometime) 😄

@zadjii-msft commented on GitHub (Mar 25, 2021): Fantastic! Glad we fixed it (sometime) 😄
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Reference: starred/terminal#3090
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