Fixing NGINX Upstream Connection Refused SSL Errors
When NGINX logs upstream connection refused for an SSL backend, it usually means the...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesChrome Extensions Not Loading on Mac? Here's How to Fix It
If you're using Chrome on a Mac and your extensions suddenly stop loading—grayed out, missing...
Fixing Cloudflare 522 Error: CDN Configuration Steps
If you see a 522 Connection Timed Out error from Cloudflare, it means your CDN (...
Chrome Extensions Not Loading: Common Causes and Fixes
You open Chrome and notice your extensions are missing from the toolbar, or they appear greyed ou...
How to Fix the Git index.lock File Exists Error
You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...
Windows 11 Update Stuck at 0%: Manual Download Fix
You click 'Check for updates' in Windows 11, and it hangs at 0% for minutes or hours. Res...
Issue queue
SitemapFix VS Code Git Changes Not Showing in Source Control Panel
Resolve Nginx 403 Permission Denied on CentOS
Chrome Invalid Authority Certificate Error on Mac Fix
Fix Windows Update Component Cleanup Error 0x800f081f
Troubleshooting Cloudflare Origin Certificate Trust Errors
Nginx Upstream Connection Refused Fix
Resolve 'python' Not Found Error When Running Scripts
Resolve Windows Update Service Hanging on Stopping
How to Handle CSV Encoding Errors in Python
Windows 11 Blue Screen After Memory Test Fix
NGINX Upstream SSL Connection Refused Fix
Git SSL Certificate Problem: Unable to Get Local Issuer Proxy Fix
Resolve Nginx 403 Permission Denied on CentOS
Chrome Invalid Authority Certificate Error on Mac Fix
Fix Windows Update Component Cleanup Error 0x800f081f
Troubleshooting Cloudflare Origin Certificate Trust Errors
Nginx Upstream Connection Refused Fix
Resolve 'python' Not Found Error When Running Scripts
Resolve Windows Update Service Hanging on Stopping
How to Handle CSV Encoding Errors in Python
Windows 11 Blue Screen After Memory Test Fix
NGINX Upstream SSL Connection Refused Fix
Git SSL Certificate Problem: Unable to Get Local Issuer Proxy Fix