Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're seeing a 'permission denied' error when trying to install or update apps from the Micro...

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

You see error 0x80072f0d when checking for Windows updates. The system cannot verify the update s...

You open Windows Security and see the message: "Invalid configuration" or "Something went wrong. ...

Chrome can suddenly stop working—pages won't load, the browser crashes, or it runs slowly. This c...

When Microsoft Teams audio stops working, you might hear nothing from a call, your microphone fai...