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 Windows Update Error 0x80070002 with System File Checker
When Windows Update fails with error 0x80070002, it often points to missing or corrupted system f...
Fix VS Code Git Authentication Failure with No Prompt
You try to push or pull in VS Code and see an error like "Git authentication failed" but ...
Fixing Unresolved Paths After Git Merge Conflict Rebase
When you run git rebase and hit a merge conflict, Git pauses the rebase and asks you...
Chrome Extensions Not Loading? Try This Checklist
You open Chrome, click the puzzle icon, and see your extensions are grayed out or missing entirel...
Fix Git Push Rejected Non Fast Forward Rebase Error
If you see ! [rejected] and non-fast-forward after a rebase, it means y...
Issue queue
SitemapFix pip Externally Managed Environment Error on Linux
Troubleshoot Windows Defender Real-Time Protection
How to Clear Explorer Cache for Crashing Issues
How to Fix Nginx Redirect Loop Infinite Redirect
Fix Windows Security App Not Working
Chrome Extensions Not Working? Here's How to Fix
Fix Python Dependency Conflict Error Code 1
How to Update Git Remote Origin URL
Windows Update Error 0x80070005: Take Ownership Fix
Docker Compose: Choosing Between Secrets and Environment Variables
VSCode Terminal Not Opening with Python Fix
Node.js Heap Out of Memory vs Stack Overflow Guide
Troubleshoot Windows Defender Real-Time Protection
How to Clear Explorer Cache for Crashing Issues
How to Fix Nginx Redirect Loop Infinite Redirect
Fix Windows Security App Not Working
Chrome Extensions Not Working? Here's How to Fix
Fix Python Dependency Conflict Error Code 1
How to Update Git Remote Origin URL
Windows Update Error 0x80070005: Take Ownership Fix
Docker Compose: Choosing Between Secrets and Environment Variables
VSCode Terminal Not Opening with Python Fix
Node.js Heap Out of Memory vs Stack Overflow Guide