Windows Security 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security, it usually means the app can't ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Enable Windows Security Backup Automatic Restore
If you've configured Windows Security Backup but find that automatic restore isn't kicking in aft...
Fix Windows Security High CPU Usage on Windows 10
If your Windows 10 PC is running slow and Task Manager shows Windows Security (or Antimalware Ser...
Windows Defender Proxy Error: Setup Checklist for Fix
You're running Windows Defender and it throws a proxy error—often during an update or a full scan...
Enable Script Execution in PowerShell on Windows 10
You may see an error like “running scripts is disabled on this system” when trying to ru...
How to Fix FileZilla Connection Timed Out Error
You're trying to connect to your FTP server, but FileZilla hangs for a while and then shows "Conn...
Issue queue
SitemapRepair Search Index Using Windows Troubleshooter
Fix Windows Update Service Not Running on Startup
Troubleshooting Nginx 502 Bad Gateway
Fix Windows Defender Security Center Module Missing Error
How to Unstick Windows Update When It Won't Download
Windows Defender Troubleshooting Guide for Common Issues
Resolve Windows Update Version Mismatch
How to Solve VSCode SSH Permission Denied on Known Hosts
How to Increase Windows Update Timeout via Registry
How to Resolve Windows Activation Error 0xc004f074 Using CMD
Windows Security Certificate Error Connection Refused Fix
Fix Windows Update Error 0x80070005: Step-by-Step Guide
Fix Windows Update Service Not Running on Startup
Troubleshooting Nginx 502 Bad Gateway
Fix Windows Defender Security Center Module Missing Error
How to Unstick Windows Update When It Won't Download
Windows Defender Troubleshooting Guide for Common Issues
Resolve Windows Update Version Mismatch
How to Solve VSCode SSH Permission Denied on Known Hosts
How to Increase Windows Update Timeout via Registry
How to Resolve Windows Activation Error 0xc004f074 Using CMD
Windows Security Certificate Error Connection Refused Fix
Fix Windows Update Error 0x80070005: Step-by-Step Guide