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 ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Security Offline Installer Not Working
You downloaded the Windows Security offline installer but it won't run, hangs, or throws an error...
Fix Windows Activation Backup Restore Failure After Update
After a Windows update, you might see an error when trying to restore an activation backup. The b...
Fix Windows Activation Auto Start Configuration Failed
When you see the message 'Windows activation auto start configuration failed', it usually means t...
Fix 'Permission Denied' Error When Downloading Windows Updates on Ubuntu
If you use a dual-boot system with Ubuntu and Windows, you may see a 'permission denied' error wh...
Fix Windows Defender Missing After Update
After a Windows update, some users find that Windows Defender is missing from the system tray, Se...
Issue queue
SitemapHow to Resolve Search Timeout on RDP
Windows Activation Error After Hardware Upgrade: Troubleshooting Guide
Stop Windows Defender from Blocking Legitimate Apps
Resolve Microsoft Store Rate Limit Quickly
Clear Pending Windows Update Install
How to Fix Visual Studio Installer Not Responding on Windows 11
VSCode Remote SSH Timeout Error Fix
Windows Update Failed: Restore from Backup Guide
How to Free Allocated Ports for Windows Defender
Fix Windows Update Version Mismatch After Upgrade
PowerShell Script Access Denied Fix
How to Disable Windows Defender Real-Time Protection for Performance
Windows Activation Error After Hardware Upgrade: Troubleshooting Guide
Stop Windows Defender from Blocking Legitimate Apps
Resolve Microsoft Store Rate Limit Quickly
Clear Pending Windows Update Install
How to Fix Visual Studio Installer Not Responding on Windows 11
VSCode Remote SSH Timeout Error Fix
Windows Update Failed: Restore from Backup Guide
How to Free Allocated Ports for Windows Defender
Fix Windows Update Version Mismatch After Upgrade
PowerShell Script Access Denied Fix
How to Disable Windows Defender Real-Time Protection for Performance