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 listHow to Fix slmgr.vbs High Memory Usage During Windows Activation
If you notice that slmgr.vbs is using a lot of memory (often 100 MB or more) on your...
Fix Windows Defender Service Not Starting (Connection Refused)
When you see 'Windows Defender service not starting – connection refused', it usually means the s...
Fix 'Windows Defender Failed to Start Due to Group Policy' Error
You may see an error saying 'Windows Defender failed to start due to group policy' when trying to...
Fix Windows Search Token Expired Error 0x80090016
If you see the error “Windows Search Token Expired” with code 0x80090016, it usually means the se...
npm Install Dependency Conflict Checklist
You run npm install and get errors about unmet peer dependencies, version mismatches...
Topic paths
Quick titles
OneDrive Won't Sync After Update – TroubleshootingPowerShell Fails to Start Due to Missing .NETResolve Windows Search Path Not Found via RegistryFix Windows Search Not Starting AutomaticallyWindows Update Pending Install Troubleshooting ChecklistHow to Change DNS via PowerShellHow to Resolve Chrome Token Expired ErrorTroubleshoot Windows 10 Search Using Log Files