Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to install a Windows update but get a version mismatch error. The update fails, and you'r...

If you see a 502 bad gateway error in Outlook, it usually means the server gateway is misconfigur...

You open Outlook and see an error about a version mismatch, or Outlook won't start because of a r...

If the Microsoft Store crashes immediately when you try to open it, you're not alone. This is a c...

You see a spinning circle or a stuck status on OneDrive files. Files aren't uploading or download...

When launching Google Chrome, you might see an error message like "The application was unable to ...