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 Git Merge Conflicts with Deleted Files
You're in the middle of a merge and git stops with a conflict. One side deleted a file, the o...
Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10
You're browsing in Chrome or Edge and see NET::ERR_CERT_AUTHORITY_INVALID. T...
Chrome Sync Not Working with VPN: Fixes and Checks
If Chrome sync stops working after you turn on a VPN, you're not alone. The VPN can interfere...
Add Python to PATH on Windows 10 When 'Command Not Found'
After installing Python on Windows 10, typing python in Command Prompt may give you ...
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
SitemapHow to Avoid MemoryError When Processing Large Files in Python
How to Remove Stale index.lock in Git on Windows
Cloudflare DNS Update Propagation Checker
Permission Denied in VS Code When Removing Files
Ubuntu 23.04 pip externally managed environment fix
How to Reduce Chrome RAM Usage
Fix Windows 11 Update Stuck at 0%
Python Dependency Conflict Troubleshooting Guide
Fix ERR_NAME_NOT_RESOLVED in Chrome: Network Troubleshooting Guide
Node Sass Build Failed: How to Upgrade Node Version
Docker Log Files Filling Up Disk? Here's the Fix
How to Migrate an Existing Git Repo to LFS
How to Remove Stale index.lock in Git on Windows
Cloudflare DNS Update Propagation Checker
Permission Denied in VS Code When Removing Files
Ubuntu 23.04 pip externally managed environment fix
How to Reduce Chrome RAM Usage
Fix Windows 11 Update Stuck at 0%
Python Dependency Conflict Troubleshooting Guide
Fix ERR_NAME_NOT_RESOLVED in Chrome: Network Troubleshooting Guide
Node Sass Build Failed: How to Upgrade Node Version
Docker Log Files Filling Up Disk? Here's the Fix
How to Migrate an Existing Git Repo to LFS