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 'Git Remote Origin Already Exists' Error
When you try to add a remote named 'origin' but Git tells you it already exists, it's...
How to Fix Chrome High Memory Usage from Hardware Acceleration
If Chrome is using excessive RAM and your system feels sluggish, hardware acceleration might be t...
VSCode IntelliSense Not Working for JavaScript: Fixes
You open a JavaScript file in VSCode, but IntelliSense is silent — no autocompletions, no suggest...
Fix Windows Search Indexing Stuck: Practical Steps
Windows Search stops indexing files or shows 'Indexing not running' or 'Indexing paus...
Windows 11 Installation Assistant Stuck at 99% Due to Antivirus
You're running the Windows 11 Installation Assistant, it gets to 99%, and then just sits ther...
Issue queue
SitemapCloudflare 522 Error After Server Migration: Fixes That Work
Git Merge --allow-unrelated-histories vs Rebase Guide
Cloudflare Origin Certificate Invalid Error Fix
Restore Windows Defender Real-Time Protection After Malware Disables It
Docker Compose Env Var Not Refreshing? Fix It
How to Fix npm Permission Denied in Home Directory
Fix Port Already Allocated Error in Docker Compose
Fix ERR_CONNECTION_RESET in Chrome: Step-by-Step Guide
Fix 'Python Is Not Recognized as an Internal or External Command'
Windows 11 Update Stuck at 0%? Here's How to Fix It
Chrome ERR_CONNECTION_RESET: Network Settings Fix
How to Fix Nginx Redirect Loop Errors
Git Merge --allow-unrelated-histories vs Rebase Guide
Cloudflare Origin Certificate Invalid Error Fix
Restore Windows Defender Real-Time Protection After Malware Disables It
Docker Compose Env Var Not Refreshing? Fix It
How to Fix npm Permission Denied in Home Directory
Fix Port Already Allocated Error in Docker Compose
Fix ERR_CONNECTION_RESET in Chrome: Step-by-Step Guide
Fix 'Python Is Not Recognized as an Internal or External Command'
Windows 11 Update Stuck at 0%? Here's How to Fix It
Chrome ERR_CONNECTION_RESET: Network Settings Fix
How to Fix Nginx Redirect Loop Errors