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 Chrome Crash on Startup Due to Corrupt User Profile
If Chrome crashes immediately when you open it, or shows a warning that your profile may be corru...
Reset Network Settings in Windows 11 When You Have No Internet
If you're reading this, you probably can't get online in Windows 11. The network icon in ...
Fix Windows Search Indexing Not Working for Outlook
If you open Outlook and search for an old email, contact, or appointment and nothing appears, or ...
How to Re-enable IntelliSense in VS Code When It's Disabled
If IntelliSense suddenly stops working in Visual Studio Code—no suggestions pop up as you type, o...
How to Fix Windows Cannot Access Shared Folder
You try to open a shared folder on another PC and get 'Windows cannot access \\computer\share...
Issue queue
SitemapCloudflare 521 Error Troubleshooting: Server Logs Guide
Fix Chrome Startup Error 0xc0000022 on Windows
Fix Missing IntelliSense in VS Code Remote WSL
Node.js Memory Limit Increase Not Working: Fixes
Run VS Code Terminal as Admin on Windows
Fix Windows 11 Installation Assistant Stuck at 99% SFC Scan
Docker Container Exits Immediately with Exit Code 137
Chrome Extensions Not Loading in Incognito: How to Fix
Python UnicodeDecodeError CSV File Fix
Troubleshooting Nginx Duplicate Listen Directive
npm install Permission Denied: VS Code Terminal Fix
How to See What Changed During a Git Merge Conflict
Fix Chrome Startup Error 0xc0000022 on Windows
Fix Missing IntelliSense in VS Code Remote WSL
Node.js Memory Limit Increase Not Working: Fixes
Run VS Code Terminal as Admin on Windows
Fix Windows 11 Installation Assistant Stuck at 99% SFC Scan
Docker Container Exits Immediately with Exit Code 137
Chrome Extensions Not Loading in Incognito: How to Fix
Python UnicodeDecodeError CSV File Fix
Troubleshooting Nginx Duplicate Listen Directive
npm install Permission Denied: VS Code Terminal Fix
How to See What Changed During a Git Merge Conflict