Fix Nginx Upstream Connection Refused Socket Error
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix 'Cannot Be Loaded Because Running Scripts Is Disabled' in VS Code PowerShell
When you open the PowerShell terminal in VS Code and see the error “cannot be loaded because ...
Windows 11 Update Stuck at 0%: Practical Checklist
You start a Windows Update and it hangs at 0% for 10, 20, 30 minutes. This is a common frustratio...
Fix Cloudflare Wildcard Subdomain Page Rule Not Working
You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...
Fix npm install Permission Denied in VS Code Terminal
When you run npm install in the VS Code terminal and get a permission denied error, ...
Fix Nginx Configuration Test Failed: Duplicate Listen Error
When running nginx -t to test your configuration, you may see an error like "...
Issue queue
SitemapFix Python Not Recognized in CMD but Working in Anaconda
Windows 10 DNS Probe Finished NXDOMAIN Error Solutions
Fix 'Python Virtual Environment Activate Command Not Found'
Fix 'docker network not found' After Prune
Resolve npm Permission Denied in node_modules
Docker Nginx 502: How to Diagnose and Fix Memory Limit Issues
Fix DNS Probe Finished NXDOMAIN After Flushdns Fails
VS Code Debugger Not Stopping at Breakpoints on Windows: Fixes
How to Fix Chrome Startup Crash (No Error Message)
Reset Chrome When Extensions Won't Load
Fix Windows 11 Update Stuck at 0 Percent
Fix VSCode Terminal Not Opening with Python
Windows 10 DNS Probe Finished NXDOMAIN Error Solutions
Fix 'Python Virtual Environment Activate Command Not Found'
Fix 'docker network not found' After Prune
Resolve npm Permission Denied in node_modules
Docker Nginx 502: How to Diagnose and Fix Memory Limit Issues
Fix DNS Probe Finished NXDOMAIN After Flushdns Fails
VS Code Debugger Not Stopping at Breakpoints on Windows: Fixes
How to Fix Chrome Startup Crash (No Error Message)
Reset Chrome When Extensions Won't Load
Fix Windows 11 Update Stuck at 0 Percent
Fix VSCode Terminal Not Opening with Python