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Terminal v1.5.10271.0 crashes on startup due to settings.json load bug #12341

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opened 2026-01-31 03:12:56 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 03:12:56 +00:00
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Originally created by @BasKiers on GitHub (Feb 1, 2021).

Originally assigned to: @zadjii-msft on GitHub.

Environment

Windows build number: 10.0.19041.0
Windows Terminal version (if applicable): 1.5.10271.0

Steps to reproduce

Add an empty object to the schemes option list

As an example I've picked the default configuration and only changed "schemes": [] into "schemes": [{}]"

// This file was initially generated by Windows Terminal 1.1.2021.0
// It should still be usable in newer versions, but newer versions might have additional
// settings, help text, or changes that you will not see unless you clear this file
// and let us generate a new one for you.

// To view the default settings, hold "alt" while clicking on the "Settings" button.
// For documentation on these settings, see: https://aka.ms/terminal-documentation
{
    "$schema": "https://aka.ms/terminal-profiles-schema",

    "defaultProfile": "{07b52e3e-de2c-5db4-bd2d-ba144ed6c273}",

    // You can add more global application settings here.
    // To learn more about global settings, visit https://aka.ms/terminal-global-settings

    // If enabled, selections are automatically copied to your clipboard.
    "copyOnSelect": false,

    // If enabled, formatted data is also copied to your clipboard
    "copyFormatting": false,

    "theme": "dark",

    // A profile specifies a command to execute paired with information about how it should look and feel.
    // Each one of them will appear in the 'New Tab' dropdown,
    //   and can be invoked from the commandline with `wt.exe -p xxx`
    // To learn more about profiles, visit https://aka.ms/terminal-profile-settings
    "profiles":
    {
        "defaults":
        {
            // Put settings here that you want to apply to all profiles.
        },
        "list":
        [
            {
                "guid": "{07b52e3e-de2c-5db4-bd2d-ba144ed6c273}",
                "hidden": false,
                "name": "Ubuntu-20.04",
                "source": "Windows.Terminal.Wsl",
                "colorScheme": "Solarized Dark",
                "fontFace": "Droid Sans Mono for Powerline",
                "fontSize": 11,
                "fontWeight": "light",
                "antialiasingMode": "cleartype",
                "startingDirectory": "//wsl$/Ubuntu-20.04/home/baskiers/",
                "historySize": 99001
            },
            {
                // Make changes here to the powershell.exe profile.
                "guid": "{61c54bbd-c2c6-5271-96e7-009a87ff44bf}",
                "name": "Windows PowerShell",
                "commandline": "powershell.exe",
                "hidden": false
            },
            {
                // Make changes here to the cmd.exe profile.
                "guid": "{0caa0dad-35be-5f56-a8ff-afceeeaa6101}",
                "name": "Command Prompt",
                "commandline": "cmd.exe",
                "hidden": false
            },
            {
                "guid": "{b453ae62-4e3d-5e58-b989-0a998ec441b8}",
                "hidden": false,
                "name": "Azure Cloud Shell",
                "source": "Windows.Terminal.Azure"
            }
        ]
    },

    // Add custom color schemes to this array.
    // To learn more about color schemes, visit https://aka.ms/terminal-color-schemes
    "schemes": [{}],

    // Add custom keybindings to this array.
    // To unbind a key combination from your defaults.json, set the command to "unbound".
    // To learn more about keybindings, visit https://aka.ms/terminal-keybindings
    "keybindings":
    [
        // Copy and paste are bound to Ctrl+Shift+C and Ctrl+Shift+V in your defaults.json.
        // These two lines additionally bind them to Ctrl+C and Ctrl+V.
        // To learn more about selection, visit https://aka.ms/terminal-selection
        { "command": {"action": "copy", "singleLine": false }, "keys": "ctrl+c" },
        { "command": "paste", "keys": "ctrl+v" },

        // Press Ctrl+F to open the search box
        { "command": "find", "keys": "ctrl+f" },

        { "command": { "action": "newTab", "index": 0 }, "keys": "ctrl+t" },
        // Press Alt+Shift+D to open a new pane.
        // - "split": "auto" makes this pane open in the direction that provides the most surface area.
        // - "splitMode": "duplicate" makes the new pane use the focused pane's profile.
        // To learn more about panes, visit https://aka.ms/terminal-panes
        { "command": { "action": "splitPane", "split": "auto", "splitMode": "duplicate" }, "keys": "ctrl+shift+d" },

        // Unbound
        { "command": "unbound", "keys": "alt+shift+esc" }
    ]
}

Expected behavior

Terminal starts up.

The schema does validate on the JSON Schema definition (https://aka.ms/terminal-profiles-schema). If this configuration is invalid the schema definition should reflect that.

Actual behavior

The terminal instantly crashes on startup.

I've used this configuration for around half a year without issues.
This issue could be a subset of #8358, although I started experiencing this bug only in the latest version of the Terminal.

Originally created by @BasKiers on GitHub (Feb 1, 2021). Originally assigned to: @zadjii-msft on GitHub. <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- 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. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: 10.0.19041.0 Windows Terminal version (if applicable): 1.5.10271.0 ``` # Steps to reproduce <!-- A description of how to trigger this bug. --> Add an empty object to the `schemes` option list As an example I've picked the default configuration and only changed `"schemes": []` into `"schemes": [{}]"` ``` // This file was initially generated by Windows Terminal 1.1.2021.0 // It should still be usable in newer versions, but newer versions might have additional // settings, help text, or changes that you will not see unless you clear this file // and let us generate a new one for you. // To view the default settings, hold "alt" while clicking on the "Settings" button. // For documentation on these settings, see: https://aka.ms/terminal-documentation { "$schema": "https://aka.ms/terminal-profiles-schema", "defaultProfile": "{07b52e3e-de2c-5db4-bd2d-ba144ed6c273}", // You can add more global application settings here. // To learn more about global settings, visit https://aka.ms/terminal-global-settings // If enabled, selections are automatically copied to your clipboard. "copyOnSelect": false, // If enabled, formatted data is also copied to your clipboard "copyFormatting": false, "theme": "dark", // A profile specifies a command to execute paired with information about how it should look and feel. // Each one of them will appear in the 'New Tab' dropdown, // and can be invoked from the commandline with `wt.exe -p xxx` // To learn more about profiles, visit https://aka.ms/terminal-profile-settings "profiles": { "defaults": { // Put settings here that you want to apply to all profiles. }, "list": [ { "guid": "{07b52e3e-de2c-5db4-bd2d-ba144ed6c273}", "hidden": false, "name": "Ubuntu-20.04", "source": "Windows.Terminal.Wsl", "colorScheme": "Solarized Dark", "fontFace": "Droid Sans Mono for Powerline", "fontSize": 11, "fontWeight": "light", "antialiasingMode": "cleartype", "startingDirectory": "//wsl$/Ubuntu-20.04/home/baskiers/", "historySize": 99001 }, { // Make changes here to the powershell.exe profile. "guid": "{61c54bbd-c2c6-5271-96e7-009a87ff44bf}", "name": "Windows PowerShell", "commandline": "powershell.exe", "hidden": false }, { // Make changes here to the cmd.exe profile. "guid": "{0caa0dad-35be-5f56-a8ff-afceeeaa6101}", "name": "Command Prompt", "commandline": "cmd.exe", "hidden": false }, { "guid": "{b453ae62-4e3d-5e58-b989-0a998ec441b8}", "hidden": false, "name": "Azure Cloud Shell", "source": "Windows.Terminal.Azure" } ] }, // Add custom color schemes to this array. // To learn more about color schemes, visit https://aka.ms/terminal-color-schemes "schemes": [{}], // Add custom keybindings to this array. // To unbind a key combination from your defaults.json, set the command to "unbound". // To learn more about keybindings, visit https://aka.ms/terminal-keybindings "keybindings": [ // Copy and paste are bound to Ctrl+Shift+C and Ctrl+Shift+V in your defaults.json. // These two lines additionally bind them to Ctrl+C and Ctrl+V. // To learn more about selection, visit https://aka.ms/terminal-selection { "command": {"action": "copy", "singleLine": false }, "keys": "ctrl+c" }, { "command": "paste", "keys": "ctrl+v" }, // Press Ctrl+F to open the search box { "command": "find", "keys": "ctrl+f" }, { "command": { "action": "newTab", "index": 0 }, "keys": "ctrl+t" }, // Press Alt+Shift+D to open a new pane. // - "split": "auto" makes this pane open in the direction that provides the most surface area. // - "splitMode": "duplicate" makes the new pane use the focused pane's profile. // To learn more about panes, visit https://aka.ms/terminal-panes { "command": { "action": "splitPane", "split": "auto", "splitMode": "duplicate" }, "keys": "ctrl+shift+d" }, // Unbound { "command": "unbound", "keys": "alt+shift+esc" } ] } ``` # Expected behavior <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> Terminal starts up. The schema does validate on the JSON Schema definition (https://aka.ms/terminal-profiles-schema). If this configuration is invalid the schema definition should reflect that. # Actual behavior <!-- What's actually happening? --> The terminal instantly crashes on startup. I've used this configuration for around half a year without issues. This issue could be a subset of #8358, although I started experiencing this bug only in the latest version of the Terminal.
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