Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You restart your computer, and Outlook either won't launch or hangs on an update that never compl...

If Command Prompt (cmd.exe) opens and closes before you can type anything, it's usually caused by...

When you try to install or update an app from the Microsoft Store, you may see an error about a d...

If the Microsoft Store is taking forever to load, browse, or download apps on Windows 11, you're ...

When you open Microsoft Store and see error code 0x80072f0d, the app usually fails to load or dow...

You click 'Check for updates' or restart your PC, but Windows Update sits on 'Pending install' fo...