
Command Prompt Service Unavailable: Troubleshooting Checklist
When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...

When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...

If you're seeing an authentication failed error in Outlook and your app password...

You see a message that Windows Defender definitions are out of sync, or that the client and serve...

When you try to unlock a BitLocker-protected drive, you might see an error referencing DNS. This ...

You set up Windows Security on one device—enabled tamper protection, added exclusions, configured...

You run Disk Cleanup or Storage Sense to clear Windows Update temporary files, but the tool hangs...