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 notesGit Detached HEAD Warning Explained: Causes and Fixes
You see a warning: "You are in 'detached HEAD' state." This happens when you chec...
How to Resolve Git SSL Certificate Error: Unable to Get Local Issuer
If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...
Fix VSCode Permission Denied Extension Errors
If you see a "permission denied" error when trying to install or update an extension in V...
Fix Cloudflare Wildcard Subdomain and Root Domain Conflict
If you use a wildcard DNS record (e.g., *.example.com) on Cloudflare, you may run in...
Windows 11 Update Stuck at 0%: How to Fix Setup Freeze
If your Windows 11 update is stuck at 0 percent during setup, you're not alone. This often ha...
Issue queue
SitemapTroubleshooting Windows Samba Share Access Denied
Windows Docker Volume Permission Denied Solution
Windows 11 Installation Assistant Stuck at 99%: Fixes That Work
How to Stop Antivirus from Blocking Edge Sync
Resolve Git Lock File After System Crash
Docker Container Killed by OOM: Diagnosis
Docker Compose Port Mapping Troubleshooting
How to Resolve Git Clone Timeout on GitHub Enterprise
How to Fix Python Requests Timeout on Slow Connections
VSCode Rust Completion Not Showing
Resolve Git Non Fast Forward Push Rejection
Recover from Windows 11 Driver Update Crash
Windows Docker Volume Permission Denied Solution
Windows 11 Installation Assistant Stuck at 99%: Fixes That Work
How to Stop Antivirus from Blocking Edge Sync
Resolve Git Lock File After System Crash
Docker Container Killed by OOM: Diagnosis
Docker Compose Port Mapping Troubleshooting
How to Resolve Git Clone Timeout on GitHub Enterprise
How to Fix Python Requests Timeout on Slow Connections
VSCode Rust Completion Not Showing
Resolve Git Non Fast Forward Push Rejection
Recover from Windows 11 Driver Update Crash