Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see error 0x80070422 when trying to run Windows Update, it usually means Windows can’t con...

If you've been using Command Prompt and need to review your session history, you might wonder whe...

You downloaded the Microsoft Store offline installer (an .appxbundle or .msixbundle file) to inst...

You open Chrome on your work computer expecting your bookmarks, passwords, and extensions to be t...

If the Microsoft Store won't load, download apps, or update, a misconfigured proxy is often the c...

If you see "connection refused" or "permission denied" when trying to start or update Windows Def...