PowerShell 502 Bad Gateway: A Troubleshooting Checklist
When a PowerShell script or command returns a 502 Bad Gateway error, it usually means the web ser...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesBitLocker Auto-Unlock Not Working with TPM: Fixes
You've set up BitLocker with a TPM, and it used to unlock your drive automatically at startup. No...
Systemd Service Fails to Start After System Update: Fixes
After a system update, you might find that a custom or third-party service fails to start. This i...
Fix MySQL Access Denied for 'root'@'localhost' Error
When you see ERROR 1045 (28000): Access denied for user 'root'@'localhost', it usual...
Fix OpenVPN Permission Denied on Tun Device
When running OpenVPN, you might see an error like ERROR: Cannot open TUN/TAP dev /dev/net/t...
Fix Windows Defender 404 Not Found in Group Policy
When you open the Group Policy Management Editor and navigate to Computer Configuration > Adminis...
Issue queue
SitemapFix BitLocker Drive Not Accessible: Permission Denied Error
How to Fix Windows Activation Hanging and Slow Performance
Resolve Teams Path Not Found Error
Teams Crash Log Location Guide
Teams Port Already in Use After Update – Fix
Checklist for VS Code Remote SSH Timeout Errors
How to Fix Maven Offline Mode Dependency Errors
Remote Desktop Over VPN Not Connecting
Troubleshooting PowerShell Authentication Failed
Remote Desktop Not Connecting After Update: Practical Fixes
Fix Outlook Connection Refused Error 0x80040115
Fix Command Prompt Can't Connect to SQL Server
How to Fix Windows Activation Hanging and Slow Performance
Resolve Teams Path Not Found Error
Teams Crash Log Location Guide
Teams Port Already in Use After Update – Fix
Checklist for VS Code Remote SSH Timeout Errors
How to Fix Maven Offline Mode Dependency Errors
Remote Desktop Over VPN Not Connecting
Troubleshooting PowerShell Authentication Failed
Remote Desktop Not Connecting After Update: Practical Fixes
Fix Outlook Connection Refused Error 0x80040115
Fix Command Prompt Can't Connect to SQL Server