Fix Nginx Upstream Connection Refused Timeout Error
When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Fix Docker 'network not found' Error for Bridge Driver
When you run a Docker container and get an error like network not found referring to...
Fix VS Code Permission Denied When Not Admin
You try to save a file or install an extension in VS Code, and get a "permission denied" ...
Fix Windows Cannot Access Shared Folder Due to Firewall
You try to open a shared folder on another PC and get an error like "Windows cannot access \\...
Windows Security App Not Opening? Try These Steps
If the Windows Security app won't open, shows a blank screen, or crashes immediately, you'...
Issue queue
SitemapDNS Probe Finished NXDOMAIN with Custom DNS – How to Fix
Stop Git Clone Timeouts with These Config Tweaks
How to Fix 'index.lock file exists' in Git Rebase
Fix Git Pull Unrelated Histories Error: Step-by-Step
Stop Chrome Black Screen When Hardware Acceleration Is On
Troubleshooting Docker Overlay Network Not Found
Fix Git Merge Conflict Auto Resolve Failures
Troubleshoot IntelliSense Failures in VS Code Workspace
How to Reset Proxy Settings in Windows 11
Python Requests Timeout: How to Catch and Fix
Docker Port Conflict Troubleshooting Checklist
How to Fix npm ENOENT package.json Not Found on Mac
Stop Git Clone Timeouts with These Config Tweaks
How to Fix 'index.lock file exists' in Git Rebase
Fix Git Pull Unrelated Histories Error: Step-by-Step
Stop Chrome Black Screen When Hardware Acceleration Is On
Troubleshooting Docker Overlay Network Not Found
Fix Git Merge Conflict Auto Resolve Failures
Troubleshoot IntelliSense Failures in VS Code Workspace
How to Reset Proxy Settings in Windows 11
Python Requests Timeout: How to Catch and Fix
Docker Port Conflict Troubleshooting Checklist
How to Fix npm ENOENT package.json Not Found on Mac