Fix Windows Security Service Unavailable in Windows 11
You open Windows Security and see a red banner: 'Security service unavailable. Restart your devic...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix OneDrive Sync Update Error
You see a OneDrive sync update error after a Windows update or app upgrade. The icon shows a warn...
Fix Microsoft Store Authentication Fails Due to Proxy
If you see authentication errors in Microsoft Store and suspect a proxy, you're likely hitting a ...
Fix Windows Terminal Access Denied When Opening Profile
You click a profile in Windows Terminal and get an 'access denied' error. This usually happens wh...
Fix Windows Update Sync Issues Between Devices
If you have multiple Windows 10 or 11 devices signed in with the same Microsoft account, you expe...
Microsoft Teams Desktop App High CPU Usage vs Web: Which to Use?
If you’ve noticed your laptop fan spinning up or your system slowing down during Microsoft Teams ...
Issue queue
SitemapHow to Fix Task Scheduler 504 Gateway Timeout
Fix Outlook Failed to Start Configuration Error
Fix Missing Dependencies in Windows Terminal
Windows Activation Token Expired vs Genuine Validation Fail
Fix Windows Update Certificate Trust Error
How to Solve Microsoft Store 502 Error by Adjusting Network
Reset Chrome Profile Keep Bookmarks Guide
Restore Internet in WSL Ubuntu After Restart
Fix PowerShell Path Not Found Error 0x80070002
Chrome Profile Connection Refused: How to Fix
OneDrive Token Expired Error Fix
Windows Defender Rate Limit Error Fix Guide
Fix Outlook Failed to Start Configuration Error
Fix Missing Dependencies in Windows Terminal
Windows Activation Token Expired vs Genuine Validation Fail
Fix Windows Update Certificate Trust Error
How to Solve Microsoft Store 502 Error by Adjusting Network
Reset Chrome Profile Keep Bookmarks Guide
Restore Internet in WSL Ubuntu After Restart
Fix PowerShell Path Not Found Error 0x80070002
Chrome Profile Connection Refused: How to Fix
OneDrive Token Expired Error Fix
Windows Defender Rate Limit Error Fix Guide