Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix npm ENOENT Package.json Not Found & Permission Denied
You run npm install and get a wall of red: ENOENT: no such file or directory, ...
How to Uninstall a Windows Update in Safe Mode After a Blue Screen
If you're seeing a blue screen after installing a Windows update, the update itself may be th...
How to Fix Git Push Failed Due to Large File
You try to push a commit to a remote repository, and Git rejects it with an error about file size...
Enable Wildcard Subdomain in Cloudflare: Step-by-Step
If you need all subdomains (like *.example.com) to point to the same server, a wildc...
Chrome Sync Not Working After Clearing Cache: Fixes
Clearing Chrome’s cache is a common fix for slow browsing or display issues, but sometimes it als...
Issue queue
SitemapFixing Python UnicodeDecodeError When Reading UTF-16 Files
How to Stop Nginx Redirect Loop and Load Your Site
Fix VSCode Breakpoints Not Hitting in TypeScript
Fix Firefox Secure Connection Failed DNS Error
VS Code SSH Terminal Not Opening: Troubleshooting
Fix Nginx Redirect Loop Causing Site Not to Load
Fix Firefox Secure Connection Failed Due to Cache
Docker Nginx 502 Bad Gateway: Memory Limit Fix
How to Fix Chrome Black Screen Caused by Hardware Acceleration
Resolve 'python' Not Recognized Error Windows 10
Resolve ERR_CONNECTION_RESET Error with Safe Mode Test
Chrome Video Memory Leak: Causes and Fixes
How to Stop Nginx Redirect Loop and Load Your Site
Fix VSCode Breakpoints Not Hitting in TypeScript
Fix Firefox Secure Connection Failed DNS Error
VS Code SSH Terminal Not Opening: Troubleshooting
Fix Nginx Redirect Loop Causing Site Not to Load
Fix Firefox Secure Connection Failed Due to Cache
Docker Nginx 502 Bad Gateway: Memory Limit Fix
How to Fix Chrome Black Screen Caused by Hardware Acceleration
Resolve 'python' Not Recognized Error Windows 10
Resolve ERR_CONNECTION_RESET Error with Safe Mode Test
Chrome Video Memory Leak: Causes and Fixes