Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open the Microsoft Store, click install, and nothing happens—or you get an error code. This i...

When Windows Search stops working—missing files, slow results, or no results at all—it's usually ...

When you see error 0xc004f074 during Windows activation, it usually means the system clock is out...

If you see a "connection refused" error when trying to open Windows Defender Security Center or r...

If you see a rate limit error in Windows Defender (Microsoft Defender Antivirus) that appears aft...

You open Chrome and see a warning: sync is paused or disabled because of a profile version mismat...