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 'Externally Managed Environment' Error in pip
If you see error: externally-managed-environment when running pip on Linux, it means...
How to Fix Windows Explorer Keeps Restarting
If Windows Explorer (the desktop, taskbar, and file manager) keeps restarting, you'll see the...
How to Enable Network Discovery for Shared Folder Access
When you can't see other computers in File Explorer's Network section, or you get an erro...
Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot
You're upgrading to Windows 11, and the Installation Assistant gets stuck at 99% for a long t...
Fix Error 0x80070005 in Windows 10 Update
When you try to install a Windows 10 update, you may see error 0x80070005 with a...
Issue queue
SitemapStop Chrome Crashing When Opening on Windows 10
Fix Chrome Crashing on Startup in Windows 10
How to Fix Nginx Redirect Loop Infinite Redirect
Chrome Extensions Not Showing? Common Causes Explained
Fix Cloudflare 522 Error Firewall Blocking
Windows 11 Explorer Keeps Restarting: How to Fix
Cloudflare Origin Certificate Troubleshooting Steps
How to Fix pnpm Offline Metadata Error
How to Resolve Connection Timeout in Python
How to Fix Cloudflare 521 Error Due to Proxy Issues
Fix VSCode Git Authentication Failed on Windows
Git Lock File Error: Causes and Solutions
Fix Chrome Crashing on Startup in Windows 10
How to Fix Nginx Redirect Loop Infinite Redirect
Chrome Extensions Not Showing? Common Causes Explained
Fix Cloudflare 522 Error Firewall Blocking
Windows 11 Explorer Keeps Restarting: How to Fix
Cloudflare Origin Certificate Troubleshooting Steps
How to Fix pnpm Offline Metadata Error
How to Resolve Connection Timeout in Python
How to Fix Cloudflare 521 Error Due to Proxy Issues
Fix VSCode Git Authentication Failed on Windows
Git Lock File Error: Causes and Solutions