Fixing 'Remote Desktop SSL Certificate Not Trusted' Error
When you try to connect to a remote computer using Remote Desktop (RDP) and see a warning that th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Windows Activation Network Error Troubleshooting Checklist
When you see a network error during Windows activation, it usually means your PC can't reach Micr...
Fix Windows Activation Error 0x80072f8f (Network Issue)
When you try to activate Windows and see error 0x80072f8f, it usually means your PC can't reach M...
Fix Windows Update Service Fails to Start After Update
After installing a Windows update, you may find that the Windows Update service (wuauserv) fails ...
Fix PowerShell Port Already Allocated After Reboot
After a reboot, you might see an error like "port already allocated" when trying to use a specifi...
Topic paths
Quick titles
OneDrive Sync Service Error After UpdateTroubleshooting Missing PowerShell ModulesMac Remote Desktop Guide: Screen Sharing and RDPHow to Reset Windows Search Indexing ServiceBitLocker Invalid Configuration Sync: Causes and FixesHow to Get Port 3389 Listening on Ubuntu for RDPResolve Chrome Profile File Locked ErrorFix Windows Defender 502 Bad Gateway Sync Error