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 notesHow to Fix Windows Explorer Keeps Restarting
If Windows Explorer (the desktop, taskbar, and file manager) keeps restarting, you'll see the...
docker compose set environment variable from file
When running Docker Compose, you often need to pass environment variables to your services. Hardc...
Fix Nginx Configuration Test Failure After Adding Proxy Pass
You add a proxy_pass directive to an Nginx server block, run nginx -t, ...
Fix 'Permission Denied' in VS Code Terminal
When you open the integrated terminal in VS Code and run a command, you might see permissio...
Fix VS Code Breakpoints Not Hit in Multi-Root Workspace
If you're using a multi-root workspace in VS Code and finding that breakpoints in some folder...
Issue queue
SitemapHow to Fix Cloudflare Error 521: Server Not Responding
Fix Git SSL Certificate Verify Failed: Unable to Get Local Issuer
Enable Windows Defender Real-Time Protection Forcibly
How to Fix pip Dependency Conflict Error 1
Troubleshoot Windows Cannot Access Network Share
Troubleshooting DNS_PROBE_FINISHED_NXDOMAIN on Chrome
Fix Windows 11 Update Stuck at 0% with Service Not Running
Fix Node.js Heap Out of Memory When Loading Modules
Python File Encoding Error: How to Fix UnicodeDecodeError
How to Solve Git Clone Timeout (Error 128)
How to fix pnpm global install permission denied on Linux
Windows 11 DNS Flush Guide for Connectivity Issues
Fix Git SSL Certificate Verify Failed: Unable to Get Local Issuer
Enable Windows Defender Real-Time Protection Forcibly
How to Fix pip Dependency Conflict Error 1
Troubleshoot Windows Cannot Access Network Share
Troubleshooting DNS_PROBE_FINISHED_NXDOMAIN on Chrome
Fix Windows 11 Update Stuck at 0% with Service Not Running
Fix Node.js Heap Out of Memory When Loading Modules
Python File Encoding Error: How to Fix UnicodeDecodeError
How to Solve Git Clone Timeout (Error 128)
How to fix pnpm global install permission denied on Linux
Windows 11 DNS Flush Guide for Connectivity Issues