Fix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
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View listFix Windows Defender Connection Refused or Permission Denied Errors
If you see "connection refused" or "permission denied" when trying to start or update Windows Def...
Fix Windows Update Stuck on 'Checking for Updates' Due to DNS
If Windows Update gets stuck on 'Checking for updates' for minutes or hours, DNS issues are a com...
Fix Remote Desktop 504 Timeout with Network Load Balancer
When you use Remote Desktop Gateway (RD Gateway) behind a network load balancer, a 504 Gateway Ti...
Fix 'Permission Denied' When Updating Microsoft Store Apps
You try to update an app from the Microsoft Store, but get a 'permission denied' error. The updat...
Checklist for Troubleshooting Windows Search Issues
Windows Search can stop working for many reasons—results don't appear, search uses high CPU, or i...
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