Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Docker Volume Permission Denied on Windows
If you see "permission denied" errors when mounting a volume in Docker on Windows, the is...
Fix 'git remote origin already exists' on Windows
When working with Git on Windows, you may see the error fatal: remote origin already exists...
Fix VSCode Breakpoints Not Hitting in TypeScript
You set a breakpoint in a TypeScript file, run the debugger, and execution never pauses. This is ...
Fix Docker Compose Environment Variable Not Set on Build
You've defined environment variables in your docker-compose.yml under envi...
Fix Nginx Configuration Test Failure for Upstream Directive
When you run nginx -t and get an error involving the upstream directive...
Issue queue
SitemapFix DNS Probe Finished NXDOMAIN in Edge Browser
pipx Guide: Solving Externally Managed Environment
Docker Container Exits Immediately on Windows: How to Fix
How to Restore IntelliSense in VS Code After Update
How to Resolve pip Permission Denied on Linux/macOS/Windows
Fix Grayed Out Windows Defender Real-Time Protection in Windows 10
Troubleshoot Windows 11 Update 0% – BITS Not Running
Resolve Docker No Space Left on Device Windows
Fix Node.js Heap Out of Memory in Docker Containers
VS Code Git Auth Failed with 2FA: How to Fix
VS Code GitHub Login Error: Authentication Failed
Troubleshooting Cloudflare Full Strict Certificate Problems
pipx Guide: Solving Externally Managed Environment
Docker Container Exits Immediately on Windows: How to Fix
How to Restore IntelliSense in VS Code After Update
How to Resolve pip Permission Denied on Linux/macOS/Windows
Fix Grayed Out Windows Defender Real-Time Protection in Windows 10
Troubleshoot Windows 11 Update 0% – BITS Not Running
Resolve Docker No Space Left on Device Windows
Fix Node.js Heap Out of Memory in Docker Containers
VS Code Git Auth Failed with 2FA: How to Fix
VS Code GitHub Login Error: Authentication Failed
Troubleshooting Cloudflare Full Strict Certificate Problems