Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You install or update a Chrome extension, click its icon, and nothing happens—or you see a vague ...

When you see a 502 Bad Gateway error while trying to connect via Remote Desktop,...

When Outlook shows 'OneDrive sync service unavailable', you can't attach or share files from OneD...

If you're trying to set up the Microsoft Store on a Mac, you'll quickly find that there's no nati...

If Windows Security shows that virus & threat protection is disabled or turned off, you may see a...

When you try to install or update an app from the Microsoft Store and it sits on 'Pending' indefi...