Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Terminal feels sluggish—slow to open, laggy when typing, or jerky when scrolling—you’r...

If you're stuck at the Windows sign-in screen with an activation prompt that won't go away, you'r...

You click 'Install now' on a Windows update, wait through the progress bar, and then see 'Update ...

You run slmgr /ipk or slmgr /ato in Command Prompt and get "The system ...

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...

If the Microsoft Store is missing, crashing, or won't open in Windows 10, you can reinstall it us...