Fix Windows Defender Proxy Error 0x80070422
If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search 502 Bad Gateway Error
If you see a "502 Bad Gateway" error when using Windows Search (e.g., in File Explorer or the Sta...
Fix Windows Update 404 Not Found After Clean Install
After performing a clean install of Windows, you may encounter a '404 Not Found' error when tryin...
Fix Microphone Permission Denied in Microsoft Teams
When Microsoft Teams shows a 'microphone permission denied' error, you can't hear yourself in cal...
Fix Windows Defender Path Not Found Error 0x80070643
When you try to update or run Windows Defender, you might see error 0x80070643 with a message lik...
Fix 'Access Denied' When Running PowerShell Scripts
If you see Access Denied or UnauthorizedAccess when running a P...
Topic paths
Quick titles
Find and Delete Windows Defender Cache FilesFix Windows Defender Real-Time Protection Turning OffFix Git Push Rejected Non-Fast-ForwardWindows Update Error 0x800f0922 – Find Logs and FixFix Windows 11 Activation Connection Timeout ErrorTroubleshoot venv Activation in Ubuntu 22.04Resolving Node.js Version Differences Between EnvironmentsHow to Resolve Windows Activation Error 0x803f7001 (Rate Limit)