Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're stuck on a sign-in screen or see an error like “Something went wrong” when trying to lo...

When you run pip install somepackage and get a Permission denied er...

When Outlook shows 'service unavailable' even after you start it in safe mode, the problem is oft...

When you click the Microsoft Store icon and nothing happens—no window, no error, just silence—it'...

If you see an error like "The search indexer version does not match" or search stops working, it ...

You sign in to Windows but instead of the desktop, you get a command prompt window. Closing it lo...