Fixing Windows Security 502 Bad Gateway Errors
If you see a 502 Bad Gateway error in Windows Security (or the Windows Defender portal), it usual...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Task Scheduler Module Missing After Windows Update
After a recent Windows update, you might open Task Scheduler and find the module missing—no tasks...
Fix Microsoft Store Error 0x80072f8f (Network Issue)
When you open Microsoft Store and see error 0x80072f8f, the store won't load or download apps. Th...
Fix Apache Not Starting: Port 80 Already in Use
When Apache fails to start with the error (98)Address already in use: AH00072: make_sock: c...
How to Fix BitLocker Connection Refused Error
If you see a "Connection refused" error when trying to manage BitLocker on a remote computer or a...
Fix 'Windows Defender File Locked by Another Program' Error
You try to delete, move, or rename a file, and Windows shows an error: “The action can’t be compl...
Topic paths
Quick titles
Troubleshooting OneDrive Authentication Failed ErrorHow to Fix DNS Probe Finished No Internet ErrorTroubleshoot Windows Search Index Paused by SyncFix Chrome Profile 504 Timeout: Step-by-StepTroubleshoot Remote Desktop Permission Error Windows 10Troubleshooting BitLocker Windows Hello Link FailureWindows 10 Update Error 502 Bad Gateway SolutionsReduce CPU Usage from Windows Update