Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open Windows Terminal and see a 'permission denied' error before any shell loads. This usuall...

If Visual Studio Code opens but then immediately shows an error that the extension host has termi...

When Windows Update returns a 404 Not Found error, it usually means the update server can't locat...

If you click the terminal icon or press Ctrl+Alt+T and nothing happens, you're not alo...

After a Windows 10 update, Chrome might fail to open—clicking the icon does nothing, or it crashe...

If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...