How to Fix Windows Defender Service Unavailable in Windows 10
If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Security 504 Gateway Timeout After Driver Update
You open Windows Security and see a 504 gateway timeout error. The interface loa...
Fix DNS Probe Finished NXDOMAIN on Chrome for Mac
You're browsing in Chrome on your Mac and suddenly a site won't load. Instead, you see the error ...
Fix Windows Security Cannot Connect to the App
When you see 'Windows Security cannot connect to the app' while trying to open Windows Security o...
Microsoft Store Sync Issues Between Devices: Fixes That Work
You buy an app on one Windows PC, but it doesn't show up on another. Or your game saves, settings...
Checklist for Fixing Windows Search Auto-Start Issues
If Windows Search fails to start automatically after boot, you may notice slow file lookups or a ...
Issue queue
SitemapTerminal Not Opening in VS Code After Update
Fix PowerShell Script Execution Policy
How to Fix Outlook Cannot Connect to Server
Troubleshoot Windows 11 Search Not Indexing Open Files
Reset Windows Security Using PowerShell: Step-by-Step
Windows Activation Server Timeout Error Fix
How to Clear BitLocker Recovery Key Cache
Stuck in BitLocker Recovery After Windows 11 Update
Fix Microsoft Store Errors by Resetting Cache
Fix Chrome Extension Permission Issues
Troubleshooting Windows Defender Port Conflicts in Windows 10
OneDrive 502 Bad Gateway Troubleshooting
Fix PowerShell Script Execution Policy
How to Fix Outlook Cannot Connect to Server
Troubleshoot Windows 11 Search Not Indexing Open Files
Reset Windows Security Using PowerShell: Step-by-Step
Windows Activation Server Timeout Error Fix
How to Clear BitLocker Recovery Key Cache
Stuck in BitLocker Recovery After Windows 11 Update
Fix Microsoft Store Errors by Resetting Cache
Fix Chrome Extension Permission Issues
Troubleshooting Windows Defender Port Conflicts in Windows 10
OneDrive 502 Bad Gateway Troubleshooting