Fix Windows Defender Proxy Error Not Working
You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Connection Refused with Netsh Winsock Reset
If Windows Update shows a "connection refused" error, it often points to a corrupted Winsock (Win...
How to Fix Microsoft Store Rate Limit Errors
You're trying to download or update an app in the Microsoft Store, and you see an error message a...
Fix Windows Search 504 Gateway Timeout and Network Reset
You run a Windows search and get a 504 gateway timeout, often after a network reset or VPN change...
Fix 'cmd service unavailable permission denied' on Windows
When you see 'cmd service unavailable permission denied' in the Windows command prom...
How to Fix Windows Activation Backup Restore Not Working
If you've backed up your Windows activation status and later the restore fails, you're not alone....
Topic paths
Quick titles
Windows Defender Threat Service Not Running – How to FixHow to Resolve Chrome ERR_CONNECTION_RESET on MacHow to Resolve Windows Activation Error 0x8007232bResolve Firefox SSL Certificate ErrorMicrosoft Store Won't Load Past Spinning CirclePowerShell Version Mismatch TroubleshootingChecklist for Troubleshooting Windows Search IssuesRegistry Trick to Enable OneDrive CLI Sync