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 VSCode IntelliSense Not Working for Node.js
You open a Node.js project in VSCode, start typing process., and get no suggestions....
How to Enable Windows Defender Real-Time Protection in Windows 10
If Windows Defender real-time protection is off, your PC is more vulnerable to malware. You may s...
Cloudflare DNS Propagation Not Working with New Domain: Fixes
You registered a new domain, set it up with Cloudflare, but after hours (or days) the site still ...
Windows 11 Installation Assistant Not Completing Setup: Fixes
You launch the Windows 11 Installation Assistant, it runs for a while, then either stalls, throws...
How to Resolve Port Already in Use in Docker Compose
When you run docker compose up and get an error like port is already allocated...
Issue queue
SitemapResolving Python Dependency Conflicts Between Requirements Files
How to Fix pnpm 'Cannot Find Module' Error
Resolve Error 0x80070005 with Ownership and Permissions
Granting Docker Pull Permissions: Practical Steps
Troubleshooting Cloudflare SSL Full Strict Errors
Fix Stuck Git Lock File Error
Fix Docker Container Exiting Right After Start
ERR_NAME_NOT_RESOLVED Chrome All Websites Solution
How to Delete a Git Remote Origin
Fixing NGINX 502 Bad Gateway in Docker Containers
How to Configure Wildcard DNS in Cloudflare
Fix VS Code 'Cannot Save File: Permission Denied' on Mac
How to Fix pnpm 'Cannot Find Module' Error
Resolve Error 0x80070005 with Ownership and Permissions
Granting Docker Pull Permissions: Practical Steps
Troubleshooting Cloudflare SSL Full Strict Errors
Fix Stuck Git Lock File Error
Fix Docker Container Exiting Right After Start
ERR_NAME_NOT_RESOLVED Chrome All Websites Solution
How to Delete a Git Remote Origin
Fixing NGINX 502 Bad Gateway in Docker Containers
How to Configure Wildcard DNS in Cloudflare
Fix VS Code 'Cannot Save File: Permission Denied' on Mac