Fix Nginx Upstream Connection Refused & Upstream Not Found
When you see upstream connection refused or upstream not found in your ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFixing NGINX Upstream Connection Refused SSL Errors
When NGINX logs upstream connection refused for an SSL backend, it usually means the...
How to Fix Nginx Redirect Loop with Cloudflare
You set up Cloudflare for your site, and now visitors see a redirect loop error. The page keeps r...
Fixing Python UnicodeDecodeError with latin-1 Codec
You're reading a file in Python and hit UnicodeDecodeError: 'charmap' codec can...
Windows 11 Update Stuck at 0%: Practical Checklist
You start a Windows Update and it hangs at 0% for 10, 20, 30 minutes. This is a common frustratio...
Fixing Cloudflare Wildcard Subdomain Proxy Errors
If you've set up a wildcard DNS record (e.g., *.example.com) in Cloudflare and a...
Issue queue
SitemapFix Node Engine Version Incompatibility Error
How to Stop Windows Explorer from Hanging
How to Fix Node Sass Build Failed Error
Fix ERR_CONNECTION_RESET After Chrome Update
How to Give VS Code Write Access to Files
Remove Git index.lock File Manually
Resolve 'invalid parameter' in Nginx Config Test
How to Fix Python Memory Errors on Large Files in Windows
Resolve Docker Network Errors on macOS
Docker Compose Port Binding Error Fix
Windows Shared Folder Access Registry Fix
Windows Update 0x800f081f Troubleshooting Guide
How to Stop Windows Explorer from Hanging
How to Fix Node Sass Build Failed Error
Fix ERR_CONNECTION_RESET After Chrome Update
How to Give VS Code Write Access to Files
Remove Git index.lock File Manually
Resolve 'invalid parameter' in Nginx Config Test
How to Fix Python Memory Errors on Large Files in Windows
Resolve Docker Network Errors on macOS
Docker Compose Port Binding Error Fix
Windows Shared Folder Access Registry Fix
Windows Update 0x800f081f Troubleshooting Guide