Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After a recent update, Microsoft Teams may fail to open—stuck on a loading screen, crash instantl...

You might see a message like "Windows Update auto-start configuration error" when trying to run u...

If you open the Microsoft Store on Windows 11 and see nothing but a white or gray screen, the app...

If Windows Search shows a '404' error or simply returns no results, the search index is likely co...

If FileZilla shows 'Connection timed out' after 20 seconds, the client cannot reach the server or...

You open Windows Security and see a '504 Gateway Timeout' error. This usually means Windows Defen...