How to Fix Nginx 'Upstream Connection Refused' Error
When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesDocker Compose Environment Variable Override Not Working: Fixes & Checks
You set an environment variable in your shell or .env file, but Docker Compose ignor...
Docker Container Exits Immediately: Fix with Restart Policy
You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...
How to Fix Chrome Extensions Not Loading or Grayed Out
You open Chrome, click the puzzle icon, and see your extensions grayed out or missing. They don&#...
Fix Git Stash Error: index.lock File Exists
You run git stash and see: fatal: Unable to create 'path/.git/index.lock&#...
How to Fix Windows Update Error 0x80070002
Error 0x80070002 often appears when Windows Update tries to install an update but can't find ...
Issue queue
SitemapGit Non-Fast-Forward Push Error Fix
Fix Cloudflare 521 Error: Setup and Connection Guide
Troubleshooting Nginx -t Upstream Failures
VS Code Debugger Not Stopping at Breakpoints on Windows: Fixes
How to Fix Git index.lock File Exists Error on Mac
Fix Windows Explorer Restart Loop
Docker Compose Environment Variable Ignored: Solutions
VSCode Terminal Not Visible: Troubleshooting Steps
Troubleshoot Firefox Secure Connection Warnings
Troubleshoot Chrome Status Access Violation Error
Troubleshooting VS Code Permission Denied on Mapped Drives
Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome
Fix Cloudflare 521 Error: Setup and Connection Guide
Troubleshooting Nginx -t Upstream Failures
VS Code Debugger Not Stopping at Breakpoints on Windows: Fixes
How to Fix Git index.lock File Exists Error on Mac
Fix Windows Explorer Restart Loop
Docker Compose Environment Variable Ignored: Solutions
VSCode Terminal Not Visible: Troubleshooting Steps
Troubleshoot Firefox Secure Connection Warnings
Troubleshoot Chrome Status Access Violation Error
Troubleshooting VS Code Permission Denied on Mapped Drives
Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome