Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open Command Prompt, type a command, but see no blinking cursor or only a blank rectangle. Th...

If Windows Search stops working or you see errors like “The service cannot be started” or “Port a...

You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...

You try to reset Chrome settings or restore a corrupted profile, but the browser hangs on a spinn...

You open the Start menu or File Explorer to search for a file, and nothing happens — or you see a...

If you're seeing a '502 Bad Gateway' error when opening Windows Defender, it usually means a netw...