Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you've noticed Windows Security is off or grayed out, you may need to re-enable Windows Defend...

If you see 'OneDrive sync module not found' when trying to start OneDrive, the app cannot find it...

When Chrome fails to update and shows error 12, the browser usually cannot download or install th...

Windows Search can stop working for many reasons. You might see no results, slow searches, or hig...

Windows Defender (now Microsoft Defender Antivirus) may stop working due to corrupted files, conf...

After a Chrome update, you might find that your profile doesn't load correctly at startup—perhaps...