Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When Chrome shows "authentication failed" with a certificate error, it usually means the browser ...

You run pip list and see the module is installed, but when you try to import it in P...

If you see a message in Windows Security that says something like "Security module not found" or ...

If you're on Windows 11 and the Visual Studio Installer stops responding or freezes during launch...

You open Microsoft Store, try to download an app, and see a 502 Bad Gateway erro...

If Windows Search stops returning results, takes too long, or shows errors, resetting the search ...