Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search Dependency Conflict Error 0x80070002
If you see error 0x80070002 when using Windows Search, it usually means a file or dependency is m...
Fix Windows Terminal Rate Limit Error Not Working
You open Windows Terminal and see a rate limit error, or the terminal stops responding after a fe...
Fix Windows Security Network Error: Permission Denied
You see "Windows Security" followed by "Access is denied" or "Permission denied" when trying to o...
How to Fix Chrome SSL Protocol Error: Invalid Server Certificate
You try to visit a website in Chrome and see an error: "SSL protocol error" with "invalid server ...
Fix Chrome ERR_CONNECTION_RESET on Windows 10
If you see ERR_CONNECTION_RESET in Chrome on Windows 10, it usually means the co...
Topic paths
Quick titles
WinSCP Authentication and Connection Errors ExplainedFix PowerShell 'Service Unavailable Permission Denied' ErrorHow to Resolve Windows Activation Update HangFix Microsoft Store Permission Denied Error with WSResetHow to Fix Task Scheduler 502 Bad Gateway ErrorTroubleshoot Microsoft Store Error 0x80072efdHow to Fix Python and Pip Command Not Found in CMDFix Windows Task Scheduler Login Loop Error 0x8007052e