Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Search is stuck on "Loading results..." or the search box shows a spinning circle, it'...

You open Microsoft Store and see a message like ‘Proxy server isn’t working’ or ‘Check your proxy...

You open OneDrive on your Mac and see a message like “Sync version mismatch” or “This version of ...

You open Chrome and see a message like "Token expired" or "Authentication token expired" before t...

If you see error 0x8007232b when trying to activate Windows on your Mac (via Boot Camp or a virtu...

If you see a "502 Bad Gateway" error in Chrome, especially after switching profiles or updating t...