Fix Windows Defender Proxy Error 0x80070422
If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix PowerShell Crash After Installing a Module
If PowerShell crashes or hangs right after you install a new module, you're not alone. This often...
Fix Windows Activation Login Loop Stuck on Sign-In Screen
You've just installed or upgraded Windows, and after the first reboot, you're stuck at the sign-i...
Windows Terminal Command Not Found Due to Antivirus – Fix Guide
You open Windows Terminal, type a common command like ping or ipconfig,...
Fix Windows Update Pending File Rename Locked Error
You've seen the error: Windows Update gets stuck on 'pending file rename' or 'locked' status, oft...
How to Fix Windows Update Permission Denied Error
You click 'Check for updates' and get hit with 'Permission Denied' or 'Access Denied' – a common ...
Issue queue
SitemapChrome Startup Pages Not Loading: 6 Fixes to Try
How to Fix Windows Security 404 Error
Fix 'Microsoft Store Command Not Found' After Update
BitLocker Network Unlock Fix Guide
Resolving 'Authentication Error' in RDP Due to Network Level Authentication
Proxy Settings Causing OneDrive 502 Error
Microsoft Teams Terminal Error: Command Not Found
How to Fix Windows Update Permission Denied Error
How to Fix Windows Permission Denied Error Code 5
BitLocker Token Expired: IT Admin Troubleshooting Checklist
Outlook Not Sending Emails? Try These Fixes
Fix Windows Terminal Connection Timeout via Firewall Settings
How to Fix Windows Security 404 Error
Fix 'Microsoft Store Command Not Found' After Update
BitLocker Network Unlock Fix Guide
Resolving 'Authentication Error' in RDP Due to Network Level Authentication
Proxy Settings Causing OneDrive 502 Error
Microsoft Teams Terminal Error: Command Not Found
How to Fix Windows Update Permission Denied Error
How to Fix Windows Permission Denied Error Code 5
BitLocker Token Expired: IT Admin Troubleshooting Checklist
Outlook Not Sending Emails? Try These Fixes
Fix Windows Terminal Connection Timeout via Firewall Settings