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 notesFix Chrome Certificate Error: Invalid Authority & Date/Time Issue
You're browsing in Chrome and see a full-page warning: Your connection is not private...
Fix Git Clone Connection Timed Out After 30 Seconds
When you run git clone and see connection timed out after 30 seconds, i...
Fix Missing Taskbar Icons on a Second Monitor
If you've connected a second monitor and the taskbar icons aren't showing up on it, you&#...
Fix Error 0x80070080 When Windows Update Stuck
You see error 0x80070080 and Windows Update hangs at a certain percentage. This usually means a p...
Fix 'Externally Managed Environment' Error on Linux
If you're on a modern Linux distribution (Ubuntu 23.04+, Debian 12+, Fedora 38+, etc.) and ge...
Issue queue
SitemapFix npm install Permission Denied (EACCES) Error
macOS npm Permission Error Solutions
Docker Prune Not Releasing Disk Space: What to Do
pip Externally Managed Environment Fix Guide
Passing Environment Variables to Docker Compose: A Practical Guide
Fix 'Permission Denied' When Activating Python venv
Troubleshooting Python UnicodeDecodeError
Fix Node Version Incompatible with Dependencies
Taskbar Icons Missing After Windows Update: How to Restore Them
Git Clone SSL Connection Timeout: Causes and Fixes
How to Stop Windows Explorer from Triggering Automatic Repair
Python MemoryError Large File Fix Checklist
macOS npm Permission Error Solutions
Docker Prune Not Releasing Disk Space: What to Do
pip Externally Managed Environment Fix Guide
Passing Environment Variables to Docker Compose: A Practical Guide
Fix 'Permission Denied' When Activating Python venv
Troubleshooting Python UnicodeDecodeError
Fix Node Version Incompatible with Dependencies
Taskbar Icons Missing After Windows Update: How to Restore Them
Git Clone SSL Connection Timeout: Causes and Fixes
How to Stop Windows Explorer from Triggering Automatic Repair
Python MemoryError Large File Fix Checklist