Fix Windows Defender Error 502 Bad Gateway
You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Outlook Stuck Loading Due to Corrupted PST File
If Outlook gets stuck on the loading screen (often showing 'Loading profile' or 'Opening Outlook'...
Fix Windows Defender Not Starting Due to Invalid Config
If Windows Defender won't start and you see an error about invalid configuration, the problem is ...
How to Fix OneDrive Files On-Demand Not Working
You've enabled OneDrive Files On-Demand, but files that should be available offline remain as pla...
Microsoft Teams Sync Issues: Practical Fixes
You open Microsoft Teams and see outdated messages, missing files, or a spinning sync icon. This ...
Fix Remote Desktop Error 0x204: Connection Failed
When you see "Remote Desktop failed to start" with error 0x204, the connection to the remote comp...
Issue queue
SitemapHow to Fix Defender Auth Error After System File Damage
Resolve BitLocker Encryption Setup Errors
Windows Update Broke Task Scheduler? Fix Here
Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps
How to Speed Up Chrome After a Recent Update
Troubleshoot Microsoft Store Not Opening After Update
Resolve Audio Sync Issues in FFmpeg MP4 Output
Microsoft Store on Mac: Troubleshooting Checklist
Windows Update 0x80072efd Network Troubleshooting
Resolve Invalid Update Configuration on Windows
How to Allow FileZilla Through Your Firewall
Setup Windows Security Backup and Restore on Windows 11
Resolve BitLocker Encryption Setup Errors
Windows Update Broke Task Scheduler? Fix Here
Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps
How to Speed Up Chrome After a Recent Update
Troubleshoot Microsoft Store Not Opening After Update
Resolve Audio Sync Issues in FFmpeg MP4 Output
Microsoft Store on Mac: Troubleshooting Checklist
Windows Update 0x80072efd Network Troubleshooting
Resolve Invalid Update Configuration on Windows
How to Allow FileZilla Through Your Firewall
Setup Windows Security Backup and Restore on Windows 11