Fixing Nginx 502 Bad Gateway with Docker and Load Balancers
If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows 11 Installation Assistant Stuck at 99% After Restart
You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...
How to Flush DNS on Windows 11 to Fix Internet Issues
If your internet seems slow, websites won't load, or you see DNS-related errors, a corrupted ...
Docker Compose Environment Variable Not Set in Container: Fixes
You ran docker-compose up, but the environment variable you defined isn't availa...
Find Nginx Permission Denied Error Logs and Fix Access Issues
When Nginx returns a 403 Forbidden or 500 Internal Server Error, the root cause is often a permis...
How to Fix Firefox Secure Connection Failed with VPN
You're using a VPN and Firefox suddenly shows 'Secure Connection Failed' on sites tha...
Issue queue
SitemapGit Large File Error Fix Without LFS
Resolve Cloudflare 521 Error – Server and Proxy Guide
Fix 'Permission Denied' in VS Code Terminal on Mac
Microsoft Edge Sync Troubleshooting Steps
How to Install a Cloudflare Origin CA Certificate
Edge History Not Syncing? Try These Fixes
How to Fix Nginx Redirect Loop 302 Errors
How to Fix Cloudflare 526 and 525 Errors on Origin
Chrome High Memory Fix – Practical Solutions
Windows 10 Firefox Secure Connection Error: Step-by-Step Fix
Windows Workgroup Shared Folder Access Fix
npm package.json Not Found: Troubleshooting Checklist
Resolve Cloudflare 521 Error – Server and Proxy Guide
Fix 'Permission Denied' in VS Code Terminal on Mac
Microsoft Edge Sync Troubleshooting Steps
How to Install a Cloudflare Origin CA Certificate
Edge History Not Syncing? Try These Fixes
How to Fix Nginx Redirect Loop 302 Errors
How to Fix Cloudflare 526 and 525 Errors on Origin
Chrome High Memory Fix – Practical Solutions
Windows 10 Firefox Secure Connection Error: Step-by-Step Fix
Windows Workgroup Shared Folder Access Fix
npm package.json Not Found: Troubleshooting Checklist