Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see a 504 Gateway Timeout error when opening or downloading from the Micr...

If you're having trouble with the Microsoft Store—apps not downloading, updates stuck, or the sto...

When you see a 'task scheduler module not found' error during a sync operation, it usually means ...

After a Windows update, some users see only a blank screen at login. The system may be unresponsi...

After a reboot, you click the search bar or open Start and see “Search is loading…” or a spinning...

When you run a command in Command Prompt and see errors like "The program can't start because a D...