Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After migrating your Windows system to a new computer or a different drive, Search may stop retur...

You try to open or sync a file in OneDrive and get a "permission denied" message. This usually ha...

You try to open Windows Defender Security Center or run a scan, and you get a 'permission denied'...

If you're troubleshooting a stubborn app or driver issue, Windows Security (formerly Defender) mi...

You're running a PowerShell command and get the error: Path not found. Permission denied

Fix Windows Defender Error 0x800704ec
You see error 0x800704ec when opening Windows Defender or Windows Security. The message says auth...