How to Fix Windows Security 502 Bad Gateway Error
When you open Windows Security and see a “502 Bad Gateway” error, it means the app can’t connect ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Chrome Login Loop & Permission Denied Error
You try to log into a site in Chrome, but it keeps redirecting you back to the login page, or you...
Fix Command Prompt Not Responding in Windows 10
When Command Prompt (cmd.exe) stops responding or freezes, it can interrupt your workflow, especi...
Windows Update Module Not Found Sync Issue Fix
When Windows Update stops working and you see 'Module not found' errors during sync, it usually p...
Fix Command Prompt Update Configuration Error
You open Command Prompt and see an error about an update configuration problem. This usually happ...
Fix Windows Defender 502 Bad Gateway Permission Denied
If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...
Topic paths
Quick titles
Windows Defender Threat Service Not Running – How to FixMicrosoft Store Update Issues TroubleshootingTroubleshoot Remote Desktop Dependency ErrorTroubleshooting Remote Desktop Auto-Start PermissionsResolve DNS Server Not Responding During Windows UpdateBitLocker Network Unlock Not Working: Steps to ResolveHow to Fix Permission Denied and Version Mismatch in Windows DefenderFix Windows Terminal Not Working Due to Rate Limit