Fix Nginx Upstream Connection Refused in Proxy Pass
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 VS Code Git Auth Failed with Personal Access Token
If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...
Why Windows Security App Keeps Crashing and How to Fix It
If the Windows Security app keeps crashing when you open it, you're not alone. This issue oft...
Fix VS Code Permission Denied After Update
After updating Visual Studio Code, you might see 'permission denied' errors when trying t...
How to Fix Docker Image Pull Access Denied Error
When you run docker pull and see access denied, Docker cannot authentic...
How to Fix Firefox Secure Connection Failed SSL Errors
When Firefox shows a "Secure Connection Failed" error with an SSL-related message, it mea...
Issue queue
SitemapFix Nginx 502 Bad Gateway on Docker Ubuntu
Windows Defender Real-Time Protection Greyed Out: How to Fix
Fix VS Code Permission Denied on Network Drive
Python Dependency Hell in Docker: A Practical Guide
Fix Remote Desktop Certificate Errors in Windows
Fix Nginx Configuration Test Failed Server Block
VS Code Git Not Showing Changes: Troubleshooting Guide
package.json Missing Error in React App Fix
Docker Pull Access Denied: Quick Fix Checklist
Git Merge Conflict Abort Not Working: Fixes That Actually Help
Fix VS Code IntelliSense Not Showing Suggestions
Troubleshooting Docker 'network not found' and 'permission denied'
Windows Defender Real-Time Protection Greyed Out: How to Fix
Fix VS Code Permission Denied on Network Drive
Python Dependency Hell in Docker: A Practical Guide
Fix Remote Desktop Certificate Errors in Windows
Fix Nginx Configuration Test Failed Server Block
VS Code Git Not Showing Changes: Troubleshooting Guide
package.json Missing Error in React App Fix
Docker Pull Access Denied: Quick Fix Checklist
Git Merge Conflict Abort Not Working: Fixes That Actually Help
Fix VS Code IntelliSense Not Showing Suggestions
Troubleshooting Docker 'network not found' and 'permission denied'