Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Nginx 'Permission Denied' Upstream Errors
When Nginx logs permission denied while connecting to an upstream (e.g., a Unix sock...
Taskbar Icons Missing After Windows Update: How to Restore Them
After a recent Windows update, you might notice that some or all taskbar icons have disappeared. ...
Fix Windows Update Error 0x800f081f After Update
If you see error 0x800f081f after a Windows update, the installation likely failed because requir...
How to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...
VS Code Git Not Detecting Changes in Workspace: Fixes
You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...
Issue queue
SitemapFix Repeated Explorer Restarts on Windows 11
Fix Cloudflare DNS Not Updating
pyproject.toml Dependency Conflict Guide
Fixing Docker Pull Access Denied on Linux: Permission Error Guide
Resolve Windows Explorer Restart Loop on Windows 10/11
Git HTTP Timeout Settings: Step-by-Step Guide
Cloudflare DNS Propagation: Quick Fixes and Checklist
Docker Compose Secrets vs Environment Variables: Practical Guide
WordPress Nginx Redirect Loop Troubleshooting
Fix 'docker network not found' When Connecting Container
How to Resolve Windows Update Error 0x80070005
Fix Windows 10 Shared Folder Access Denied Error
Fix Cloudflare DNS Not Updating
pyproject.toml Dependency Conflict Guide
Fixing Docker Pull Access Denied on Linux: Permission Error Guide
Resolve Windows Explorer Restart Loop on Windows 10/11
Git HTTP Timeout Settings: Step-by-Step Guide
Cloudflare DNS Propagation: Quick Fixes and Checklist
Docker Compose Secrets vs Environment Variables: Practical Guide
WordPress Nginx Redirect Loop Troubleshooting
Fix 'docker network not found' When Connecting Container
How to Resolve Windows Update Error 0x80070005
Fix Windows 10 Shared Folder Access Denied Error