Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see error 0x80240034 when checking for Windows updates, it usually means the update servic...

When you try to run ffmpeg in Terminal on a Mac and see "ffmpeg: command not found" or "not recog...

You install a Chrome extension, but it doesn't appear in the toolbar, or it's grayed out, or it j...

If Windows Search stops working, files don't appear in search results, or the search box shows no...

If Task Scheduler appears stuck on a loading screen and you see a message that the service is not...

If you've just started using Chrome or want to make sure it's set up properly for everyday browsi...