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...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix PowerShell Proxy Authentication Failed Errors
You run a PowerShell command that needs internet access—like Invoke-WebRequest or
Remote Desktop Network Level Authentication Setup Error Fix
You try to connect to a remote PC using Remote Desktop (RDP) and get an error like "An authen...
Fix Windows Defender SSL Certificate Error
If Windows Defender shows an SSL certificate error, it usually means the antivirus can't verify t...
Fix 'Command Prompt Authentication Failed' – Run as Administrator
When you see 'authentication failed' in Command Prompt, it usually means your current session lac...
Remote Desktop Connection Refused Troubleshooting Checklist
When you see 'Remote Desktop connection refused' or 'Remote Desktop can't connect to the remote c...
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