Fix Docker Nginx 502 Bad Gateway Upstream Error
When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesGit Merge Unrelated Histories: When and How to Use --allow-unrelated-histories
You try to merge two branches and get fatal: refusing to merge unrelated histories. ...
Fix WiFi No Internet After Windows 11 Update
After a Windows 11 update, you might see your WiFi connected but with no internet access. This is...
Docker Desktop Engine Stopped After Update: Fixes
After a Docker Desktop update, you may see the engine fail to start. The UI shows a red status ba...
How to Fix Windows Update Error 0x80070005 Permission Denied
When Windows Update fails with error 0x80070005 and the message "Permission denied," it u...
Fix Windows 11 Update Stuck at 0% – BITS Service Issues
You click 'Check for updates' in Windows 11, and it sits at 0% for minutes or hours. Ofte...
Issue queue
SitemapThird-Party Antivirus Interfering with Edge Sync: Solutions
Nginx Upstream Connection Refused Socket Fix
Docker Port Conflict: How to Fix and Prevent
How to Resolve Error 0x80070005 in Windows 11
Docker Compose Nginx 502 Gateway Error Guide
Fix Python Permission Denied When Installing Packages on Windows
Windows Explorer Not Responding? Here's How to Fix It
Fix Missing Taskbar Icons After Windows 11 Update
How to Stop Chrome from Using Too Much Memory
How to Fix Node.js and npm Version Mismatch
Cloudflare Origin Certificate Troubleshooting Checklist
Node Sass Build Failed: Complete Troubleshooting Checklist
Nginx Upstream Connection Refused Socket Fix
Docker Port Conflict: How to Fix and Prevent
How to Resolve Error 0x80070005 in Windows 11
Docker Compose Nginx 502 Gateway Error Guide
Fix Python Permission Denied When Installing Packages on Windows
Windows Explorer Not Responding? Here's How to Fix It
Fix Missing Taskbar Icons After Windows 11 Update
How to Stop Chrome from Using Too Much Memory
How to Fix Node.js and npm Version Mismatch
Cloudflare Origin Certificate Troubleshooting Checklist
Node Sass Build Failed: Complete Troubleshooting Checklist