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'unfocusedAppearance' option with any value including empty dictionary causes Windows Terminal to crash all instances when closing just one #21930

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opened 2026-01-31 07:58:35 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 07:58:35 +00:00
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Originally created by @othmanalikhan on GitHub (Jul 6, 2024).

Windows Terminal version

1.20.11781

Windows build number

10.0.22631.2861

Other Software

No response

Steps to reproduce

So after quite a bit of troubleshooting (including re-installing my entire Windows 11 OS), I've narrowed down the bug and can consistently replicate it.

  1. Add the unfocusedAppearance option in the defaults section of your Windows Terminal config, e.g.
   "profiles": 
    {
        "defaults": 
        {
            "unfocusedAppearance": 
            {
            }
        },
        ...
    },
  1. OR alternative use this full config (minimal example):
{
    "$help": "https://aka.ms/terminal-documentation",
    "$schema": "https://aka.ms/terminal-profiles-schema",
    "actions": 
    [
        {
            "command": 
            {
                "action": "copy",
                "singleLine": false
            },
            "keys": "ctrl+c"
        },
        {
            "command": "paste",
            "keys": "ctrl+v"
        },
        {
            "command": "find",
            "keys": "ctrl+shift+f"
        },
        {
            "command": 
            {
                "action": "splitPane",
                "split": "auto",
                "splitMode": "duplicate"
            },
            "keys": "alt+shift+d"
        }
    ],
    "copyFormatting": "none",
    "copyOnSelect": false,
    "defaultProfile": "{61c54bbd-c2c6-5271-96e7-009a87ff44bf}",
    "newTabMenu": 
    [
        {
            "type": "remainingProfiles"
        }
    ],
    "profiles": 
    {
        "defaults": 
        {
            "opacity": 90,
            "unfocusedAppearance": 
            {
            }
        },
        "list": 
        [
            {
                "guid": "{61c54bbd-c2c6-5271-96e7-009a87ff44bf}",
                "hidden": false,
                "name": "Windows PowerShell"
            },
            {
                "guid": "{0caa0dad-35be-5f56-a8ff-afceeeaa6101}",
                "hidden": false,
                "name": "Command Prompt"
            }
        ]
    },
    "schemes": 
    [
        {
            "background": "#0C0C0C",
            "black": "#0C0C0C",
            "blue": "#0037DA",
            "brightBlack": "#767676",
            "brightBlue": "#3B78FF",
            "brightCyan": "#61D6D6",
            "brightGreen": "#16C60C",
            "brightPurple": "#B4009E",
            "brightRed": "#E74856",
            "brightWhite": "#F2F2F2",
            "brightYellow": "#F9F1A5",
            "cursorColor": "#FFFFFF",
            "cyan": "#3A96DD",
            "foreground": "#CCCCCC",
            "green": "#13A10E",
            "name": "Campbell",
            "purple": "#881798",
            "red": "#C50F1F",
            "selectionBackground": "#FFFFFF",
            "white": "#CCCCCC",
            "yellow": "#C19C00"
        },
        {
            "background": "#012456",
            "black": "#0C0C0C",
            "blue": "#0037DA",
            "brightBlack": "#767676",
            "brightBlue": "#3B78FF",
            "brightCyan": "#61D6D6",
            "brightGreen": "#16C60C",
            "brightPurple": "#B4009E",
            "brightRed": "#E74856",
            "brightWhite": "#F2F2F2",
            "brightYellow": "#F9F1A5",
            "cursorColor": "#FFFFFF",
            "cyan": "#3A96DD",
            "foreground": "#CCCCCC",
            "green": "#13A10E",
            "name": "Campbell Powershell",
            "purple": "#881798",
            "red": "#C50F1F",
            "selectionBackground": "#FFFFFF",
            "white": "#CCCCCC",
            "yellow": "#C19C00"
        },
        {
            "background": "#282C34",
            "black": "#282C34",
            "blue": "#61AFEF",
            "brightBlack": "#5A6374",
            "brightBlue": "#61AFEF",
            "brightCyan": "#56B6C2",
            "brightGreen": "#98C379",
            "brightPurple": "#C678DD",
            "brightRed": "#E06C75",
            "brightWhite": "#DCDFE4",
            "brightYellow": "#E5C07B",
            "cursorColor": "#FFFFFF",
            "cyan": "#56B6C2",
            "foreground": "#DCDFE4",
            "green": "#98C379",
            "name": "One Half Dark",
            "purple": "#C678DD",
            "red": "#E06C75",
            "selectionBackground": "#FFFFFF",
            "white": "#DCDFE4",
            "yellow": "#E5C07B"
        },
        {
            "background": "#FAFAFA",
            "black": "#383A42",
            "blue": "#0184BC",
            "brightBlack": "#4F525D",
            "brightBlue": "#61AFEF",
            "brightCyan": "#56B5C1",
            "brightGreen": "#98C379",
            "brightPurple": "#C577DD",
            "brightRed": "#DF6C75",
            "brightWhite": "#FFFFFF",
            "brightYellow": "#E4C07A",
            "cursorColor": "#4F525D",
            "cyan": "#0997B3",
            "foreground": "#383A42",
            "green": "#50A14F",
            "name": "One Half Light",
            "purple": "#A626A4",
            "red": "#E45649",
            "selectionBackground": "#4F525D",
            "white": "#FAFAFA",
            "yellow": "#C18301"
        },
        {
            "background": "#002B36",
            "black": "#002B36",
            "blue": "#268BD2",
            "brightBlack": "#073642",
            "brightBlue": "#839496",
            "brightCyan": "#93A1A1",
            "brightGreen": "#586E75",
            "brightPurple": "#6C71C4",
            "brightRed": "#CB4B16",
            "brightWhite": "#FDF6E3",
            "brightYellow": "#657B83",
            "cursorColor": "#FFFFFF",
            "cyan": "#2AA198",
            "foreground": "#839496",
            "green": "#859900",
            "name": "Solarized Dark",
            "purple": "#D33682",
            "red": "#DC322F",
            "selectionBackground": "#FFFFFF",
            "white": "#EEE8D5",
            "yellow": "#B58900"
        },
        {
            "background": "#FDF6E3",
            "black": "#002B36",
            "blue": "#268BD2",
            "brightBlack": "#073642",
            "brightBlue": "#839496",
            "brightCyan": "#93A1A1",
            "brightGreen": "#586E75",
            "brightPurple": "#6C71C4",
            "brightRed": "#CB4B16",
            "brightWhite": "#FDF6E3",
            "brightYellow": "#657B83",
            "cursorColor": "#002B36",
            "cyan": "#2AA198",
            "foreground": "#657B83",
            "green": "#859900",
            "name": "Solarized Light",
            "purple": "#D33682",
            "red": "#DC322F",
            "selectionBackground": "#073642",
            "white": "#EEE8D5",
            "yellow": "#B58900"
        },
        {
            "background": "#000000",
            "black": "#000000",
            "blue": "#3465A4",
            "brightBlack": "#555753",
            "brightBlue": "#729FCF",
            "brightCyan": "#34E2E2",
            "brightGreen": "#8AE234",
            "brightPurple": "#AD7FA8",
            "brightRed": "#EF2929",
            "brightWhite": "#EEEEEC",
            "brightYellow": "#FCE94F",
            "cursorColor": "#FFFFFF",
            "cyan": "#06989A",
            "foreground": "#D3D7CF",
            "green": "#4E9A06",
            "name": "Tango Dark",
            "purple": "#75507B",
            "red": "#CC0000",
            "selectionBackground": "#FFFFFF",
            "white": "#D3D7CF",
            "yellow": "#C4A000"
        },
        {
            "background": "#FFFFFF",
            "black": "#000000",
            "blue": "#3465A4",
            "brightBlack": "#555753",
            "brightBlue": "#729FCF",
            "brightCyan": "#34E2E2",
            "brightGreen": "#8AE234",
            "brightPurple": "#AD7FA8",
            "brightRed": "#EF2929",
            "brightWhite": "#EEEEEC",
            "brightYellow": "#FCE94F",
            "cursorColor": "#000000",
            "cyan": "#06989A",
            "foreground": "#555753",
            "green": "#4E9A06",
            "name": "Tango Light",
            "purple": "#75507B",
            "red": "#CC0000",
            "selectionBackground": "#555753",
            "white": "#D3D7CF",
            "yellow": "#C4A000"
        },
        {
            "background": "#000000",
            "black": "#000000",
            "blue": "#000080",
            "brightBlack": "#808080",
            "brightBlue": "#0000FF",
            "brightCyan": "#00FFFF",
            "brightGreen": "#00FF00",
            "brightPurple": "#FF00FF",
            "brightRed": "#FF0000",
            "brightWhite": "#FFFFFF",
            "brightYellow": "#FFFF00",
            "cursorColor": "#FFFFFF",
            "cyan": "#008080",
            "foreground": "#C0C0C0",
            "green": "#008000",
            "name": "Vintage",
            "purple": "#800080",
            "red": "#800000",
            "selectionBackground": "#FFFFFF",
            "white": "#C0C0C0",
            "yellow": "#808000"
        }
    ],
    "themes": []
}
  1. Now launch two instances of Windows Terminal.
  2. Using your mouse, press the 'x' button on the top-right of the first instance.
  3. The first instance will freeze a bit, crash, and cause both instances to shut.
  4. If you view Event Viewer logs, under Application logs, you will see that the application has indeed crashed with an ERROR.

Other things to know:

  • Removing the unfocusedAppearance option fixes the issue (but you lose that feature).
  • The unfocusedAppearance use to work for me on older builds (I don't know which ones but I use to use this feature a lot).
  • Adding any options in the unfocusedAppearance still causes the crash.
  • Shutting any of the Windows Terminal using 'CTRL+W' shortcut avoids this crashing behaviour.

Expected Behavior

When I shut a single instance of Windows Terminal, it should only shut that instance and not shut all other instances. This likely happens because the parent process crashes, killing all spawned windows terminal children.

Actual Behavior

Pressing the 'x' button causes all windows terminal instances to shut.

Originally created by @othmanalikhan on GitHub (Jul 6, 2024). ### Windows Terminal version 1.20.11781 ### Windows build number 10.0.22631.2861 ### Other Software _No response_ ### Steps to reproduce So after quite a bit of troubleshooting (including re-installing my entire Windows 11 OS), I've narrowed down the bug and can consistently replicate it. 1. Add the `unfocusedAppearance` option in the `defaults` section of your Windows Terminal config, e.g. ``` "profiles": { "defaults": { "unfocusedAppearance": { } }, ... }, ``` 2. OR alternative use this full config (minimal example): ```md { "$help": "https://aka.ms/terminal-documentation", "$schema": "https://aka.ms/terminal-profiles-schema", "actions": [ { "command": { "action": "copy", "singleLine": false }, "keys": "ctrl+c" }, { "command": "paste", "keys": "ctrl+v" }, { "command": "find", "keys": "ctrl+shift+f" }, { "command": { "action": "splitPane", "split": "auto", "splitMode": "duplicate" }, "keys": "alt+shift+d" } ], "copyFormatting": "none", "copyOnSelect": false, "defaultProfile": "{61c54bbd-c2c6-5271-96e7-009a87ff44bf}", "newTabMenu": [ { "type": "remainingProfiles" } ], "profiles": { "defaults": { "opacity": 90, "unfocusedAppearance": { } }, "list": [ { "guid": "{61c54bbd-c2c6-5271-96e7-009a87ff44bf}", "hidden": false, "name": "Windows PowerShell" }, { "guid": "{0caa0dad-35be-5f56-a8ff-afceeeaa6101}", "hidden": false, "name": "Command Prompt" } ] }, "schemes": [ { "background": "#0C0C0C", "black": "#0C0C0C", "blue": "#0037DA", "brightBlack": "#767676", "brightBlue": "#3B78FF", "brightCyan": "#61D6D6", "brightGreen": "#16C60C", "brightPurple": "#B4009E", "brightRed": "#E74856", "brightWhite": "#F2F2F2", "brightYellow": "#F9F1A5", "cursorColor": "#FFFFFF", "cyan": "#3A96DD", "foreground": "#CCCCCC", "green": "#13A10E", "name": "Campbell", "purple": "#881798", "red": "#C50F1F", "selectionBackground": "#FFFFFF", "white": "#CCCCCC", "yellow": "#C19C00" }, { "background": "#012456", "black": "#0C0C0C", "blue": "#0037DA", "brightBlack": "#767676", "brightBlue": "#3B78FF", "brightCyan": "#61D6D6", "brightGreen": "#16C60C", "brightPurple": "#B4009E", "brightRed": "#E74856", "brightWhite": "#F2F2F2", "brightYellow": "#F9F1A5", "cursorColor": "#FFFFFF", "cyan": "#3A96DD", "foreground": "#CCCCCC", "green": "#13A10E", "name": "Campbell Powershell", "purple": "#881798", "red": "#C50F1F", "selectionBackground": "#FFFFFF", "white": "#CCCCCC", "yellow": "#C19C00" }, { "background": "#282C34", "black": "#282C34", "blue": "#61AFEF", "brightBlack": "#5A6374", "brightBlue": "#61AFEF", "brightCyan": "#56B6C2", "brightGreen": "#98C379", "brightPurple": "#C678DD", "brightRed": "#E06C75", "brightWhite": "#DCDFE4", "brightYellow": "#E5C07B", "cursorColor": "#FFFFFF", "cyan": "#56B6C2", "foreground": "#DCDFE4", "green": "#98C379", "name": "One Half Dark", "purple": "#C678DD", "red": "#E06C75", "selectionBackground": "#FFFFFF", "white": "#DCDFE4", "yellow": "#E5C07B" }, { "background": "#FAFAFA", "black": "#383A42", "blue": "#0184BC", "brightBlack": "#4F525D", "brightBlue": "#61AFEF", "brightCyan": "#56B5C1", "brightGreen": "#98C379", "brightPurple": "#C577DD", "brightRed": "#DF6C75", "brightWhite": "#FFFFFF", "brightYellow": "#E4C07A", "cursorColor": "#4F525D", "cyan": "#0997B3", "foreground": "#383A42", "green": "#50A14F", "name": "One Half Light", "purple": "#A626A4", "red": "#E45649", "selectionBackground": "#4F525D", "white": "#FAFAFA", "yellow": "#C18301" }, { "background": "#002B36", "black": "#002B36", "blue": "#268BD2", "brightBlack": "#073642", "brightBlue": "#839496", "brightCyan": "#93A1A1", "brightGreen": "#586E75", "brightPurple": "#6C71C4", "brightRed": "#CB4B16", "brightWhite": "#FDF6E3", "brightYellow": "#657B83", "cursorColor": "#FFFFFF", "cyan": "#2AA198", "foreground": "#839496", "green": "#859900", "name": "Solarized Dark", "purple": "#D33682", "red": "#DC322F", "selectionBackground": "#FFFFFF", "white": "#EEE8D5", "yellow": "#B58900" }, { "background": "#FDF6E3", "black": "#002B36", "blue": "#268BD2", "brightBlack": "#073642", "brightBlue": "#839496", "brightCyan": "#93A1A1", "brightGreen": "#586E75", "brightPurple": "#6C71C4", "brightRed": "#CB4B16", "brightWhite": "#FDF6E3", "brightYellow": "#657B83", "cursorColor": "#002B36", "cyan": "#2AA198", "foreground": "#657B83", "green": "#859900", "name": "Solarized Light", "purple": "#D33682", "red": "#DC322F", "selectionBackground": "#073642", "white": "#EEE8D5", "yellow": "#B58900" }, { "background": "#000000", "black": "#000000", "blue": "#3465A4", "brightBlack": "#555753", "brightBlue": "#729FCF", "brightCyan": "#34E2E2", "brightGreen": "#8AE234", "brightPurple": "#AD7FA8", "brightRed": "#EF2929", "brightWhite": "#EEEEEC", "brightYellow": "#FCE94F", "cursorColor": "#FFFFFF", "cyan": "#06989A", "foreground": "#D3D7CF", "green": "#4E9A06", "name": "Tango Dark", "purple": "#75507B", "red": "#CC0000", "selectionBackground": "#FFFFFF", "white": "#D3D7CF", "yellow": "#C4A000" }, { "background": "#FFFFFF", "black": "#000000", "blue": "#3465A4", "brightBlack": "#555753", "brightBlue": "#729FCF", "brightCyan": "#34E2E2", "brightGreen": "#8AE234", "brightPurple": "#AD7FA8", "brightRed": "#EF2929", "brightWhite": "#EEEEEC", "brightYellow": "#FCE94F", "cursorColor": "#000000", "cyan": "#06989A", "foreground": "#555753", "green": "#4E9A06", "name": "Tango Light", "purple": "#75507B", "red": "#CC0000", "selectionBackground": "#555753", "white": "#D3D7CF", "yellow": "#C4A000" }, { "background": "#000000", "black": "#000000", "blue": "#000080", "brightBlack": "#808080", "brightBlue": "#0000FF", "brightCyan": "#00FFFF", "brightGreen": "#00FF00", "brightPurple": "#FF00FF", "brightRed": "#FF0000", "brightWhite": "#FFFFFF", "brightYellow": "#FFFF00", "cursorColor": "#FFFFFF", "cyan": "#008080", "foreground": "#C0C0C0", "green": "#008000", "name": "Vintage", "purple": "#800080", "red": "#800000", "selectionBackground": "#FFFFFF", "white": "#C0C0C0", "yellow": "#808000" } ], "themes": [] } ``` 3. Now launch two instances of Windows Terminal. 4. Using your mouse, press the 'x' button on the top-right of the first instance. 5. The first instance will freeze a bit, crash, and cause both instances to shut. 6. If you view Event Viewer logs, under Application logs, you will see that the application has indeed crashed with an ERROR. Other things to know: - Removing the `unfocusedAppearance` option fixes the issue (but you lose that feature). - The `unfocusedAppearance` use to work for me on older builds (I don't know which ones but I use to use this feature a lot). - Adding any options in the `unfocusedAppearance` still causes the crash. - Shutting any of the Windows Terminal using 'CTRL+W' shortcut avoids this crashing behaviour. ### Expected Behavior When I shut a single instance of Windows Terminal, it should only shut that instance and not shut all other instances. This likely happens because the parent process crashes, killing all spawned windows terminal children. ### Actual Behavior Pressing the 'x' button causes all windows terminal instances to shut.
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