Fix Nginx 'upstream connection refused' When Talking to PHP-FPM
You're seeing upstream connection refused in your Nginx error log, and your site...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFixing Python Requests Connection Timeout Errors
When your Python script using the requests library hangs or raises a ConnectTi...
Docker Compose Environment Variable from Shell Not Working: Fixes
You set an environment variable in your shell, but Docker Compose ignores it. This is a common pi...
How to Fix Cloudflare Error 521: Web Server Is Down
Cloudflare error 521 means your origin web server is refusing the connection from Cloudflare'...
Fix Windows Search Indexing Stuck: Practical Steps
Windows Search stops indexing files or shows 'Indexing not running' or 'Indexing paus...
Fix ERR_NAME_NOT_RESOLVED with CMD: Step-by-Step Guide
When you see ERR_NAME_NOT_RESOLVED in your browser, it usually means your computer can't tran...
Issue queue
SitemapHow to Resolve VSCode Save Permission Denied
Step-by-Step Fix for Windows Update Error 0x800f081f
Resolve Docker Desktop Engine Stop Due to WSL
Fix VS Code IntelliSense Not Working in WSL
Firefox Secure Connection Failed: Practical Fixes
Troubleshooting Cloudflare Full Strict Certificate Problems
How to Enable Windows Defender Real-Time Protection via Registry
Git SSL Error After Update: Local Issuer Certificate Fix
Fix Nginx 502 Bad Gateway: Upstream Connection Refused
Windows 11 Update Not Downloading: 0% Stuck Fix
Troubleshooting Edge Tab Sync Issues
Troubleshooting Chrome Memory Saver: Step-by-Step Guide
Step-by-Step Fix for Windows Update Error 0x800f081f
Resolve Docker Desktop Engine Stop Due to WSL
Fix VS Code IntelliSense Not Working in WSL
Firefox Secure Connection Failed: Practical Fixes
Troubleshooting Cloudflare Full Strict Certificate Problems
How to Enable Windows Defender Real-Time Protection via Registry
Git SSL Error After Update: Local Issuer Certificate Fix
Fix Nginx 502 Bad Gateway: Upstream Connection Refused
Windows 11 Update Not Downloading: 0% Stuck Fix
Troubleshooting Edge Tab Sync Issues
Troubleshooting Chrome Memory Saver: Step-by-Step Guide