Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Update Error 0x80070002 Using DISM
If you see Windows Update error 0x80070002, it usually means the update system can't find a n...
VS Code Source Control Not Detecting Changes: Disable Git Fix
If VS Code stops showing file changes in the Source Control panel, Git integration may be stuck o...
Windows Update Service Troubleshooting Checklist
When Windows Update stops working, the update service itself is often the culprit. You may see er...
Fix npm run build Failed Due to Missing Dependencies
When you run npm run build and it fails with errors about missing dependencies, the ...
Fix Git Clone Timeout by Adjusting Config Settings
When git clone fails with a timeout error, it's often because the connection is ...
Issue queue
SitemapVS Code Debugger Skips Breakpoints in Node.js
How to Resolve Git Non-Fast-Forward Push Rejection
Debugging Jest Tests in VS Code: Breakpoints Not Hit
Fix Chrome Extensions Not Loading with a Reset
Resolve npm Install Permission Denied Due to Wrong Ownership
Debugging Nginx Configuration Test Rewrite Errors
Nginx 502 Error Docker Alpine Troubleshooting
VS Code Not Showing Git Changes on Ubuntu
How to Install a Cloudflare Origin Certificate on Apache
How to Solve Dependency Conflicts in setup.py
Troubleshoot Cloudflare Origin Certificate Mismatch
Docker Desktop Auto-Start on Windows 11: 4 Methods
How to Resolve Git Non-Fast-Forward Push Rejection
Debugging Jest Tests in VS Code: Breakpoints Not Hit
Fix Chrome Extensions Not Loading with a Reset
Resolve npm Install Permission Denied Due to Wrong Ownership
Debugging Nginx Configuration Test Rewrite Errors
Nginx 502 Error Docker Alpine Troubleshooting
VS Code Not Showing Git Changes on Ubuntu
How to Install a Cloudflare Origin Certificate on Apache
How to Solve Dependency Conflicts in setup.py
Troubleshoot Cloudflare Origin Certificate Mismatch
Docker Desktop Auto-Start on Windows 11: 4 Methods