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 notesWindows 11 Update Stuck at 0%: Manual Download Fix
You click 'Check for updates' in Windows 11, and it hangs at 0% for minutes or hours. Res...
Cloudflare DNS Propagation Error Fix: Step-by-Step Guide
You updated your DNS records in Cloudflare, but hours later the changes aren't showing. Visit...
Fix Chrome Certificate Error Invalid Authority on Mac
You're browsing in Chrome on a Mac and suddenly see a warning: Your connection is not...
VS Code Git Not Detecting Changes in Workspace: Fixes
You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...
Fix Chrome Status Access Violation by Resetting Settings
If you see a STATUS_ACCESS_VIOLATION error in Chrome, it often points to corrupt...
Issue queue
SitemapHow to Fix Terminal in VS Code with Docker
Cloudflare 521 Error: Authenticated Origin Pulls Setup
Resolve Docker Compose Port Conflict
Windows Update 0x80070002 After Update: Fixes
Docker Desktop Update Broke Engine: Solutions
Fix Missing Taskbar Icons After Uninstalling a Program
Node Engine Check Failure: Causes and Solutions
Resolving Git Merge Conflicts in package-lock.json
Fix Docker Volume Permission Denied for Nginx
RDP Port Not Open? How to Troubleshoot
Stop Nginx Redirect Loop: Step-by-Step Guide
How to Fix Windows 11 Update Stuck at 0% Using Built-in Tools
Cloudflare 521 Error: Authenticated Origin Pulls Setup
Resolve Docker Compose Port Conflict
Windows Update 0x80070002 After Update: Fixes
Docker Desktop Update Broke Engine: Solutions
Fix Missing Taskbar Icons After Uninstalling a Program
Node Engine Check Failure: Causes and Solutions
Resolving Git Merge Conflicts in package-lock.json
Fix Docker Volume Permission Denied for Nginx
RDP Port Not Open? How to Troubleshoot
Stop Nginx Redirect Loop: Step-by-Step Guide
How to Fix Windows 11 Update Stuck at 0% Using Built-in Tools