Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Search stops returning results, takes too long, or shows errors, resetting the search ...

You click the search bar, type a few letters, and nothing happens—or the search window freezes. T...

You're trying to install a program on Windows, but the installer stops with an error like "Access...

If you boot into Safe Mode to troubleshoot a stuck Windows Update, only to find the update still ...

If you've noticed that all your OneDrive files are taking up space on your local drive, or you ca...

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...