How to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Python Venv Not Activating in PowerShell
You open PowerShell, navigate to your project, and run venv\Scripts\activate but not...
Fix Docker Container Exits Immediately in Background Mode
You run a Docker container with -d (detached mode) and it exits immediately. The con...
Chrome Sync Not Working on Windows 10: Quick Fixes
You open Chrome on your Windows 10 PC, expecting your bookmarks and passwords to be there, but no...
Fix Chrome Black Screen Flickering from Hardware Acceleration
If Chrome shows a black screen or flickers when watching videos, scrolling, or opening menus, har...
Resolving Git Merge Conflicts in Binary Files
You're merging branches and Git reports a conflict in a binary file. Unlike text files, you c...
Issue queue
SitemapFix Bluetooth Connection Problems in Windows 11
Fix DNS Probe Finished NXDOMAIN on Router: Step-by-Step
Docker Network Not Found When Running Container: Fixes
Fix 'Python' Command Not Found in Windows 10
How to Restore Windows Update Service in Services.msc
How to Refresh VSCode Source Control Detection
Restore Windows Update Service After Clean Boot
Black Screen in Chrome After Turning Off Hardware Acceleration
Taskbar Missing Icons Fix
npm EACCES Error: Install Without Sudo
Fix Chrome High Memory Usage on Windows and Mac
Fix VS Code Terminal Not Opening on Windows 10
Fix DNS Probe Finished NXDOMAIN on Router: Step-by-Step
Docker Network Not Found When Running Container: Fixes
Fix 'Python' Command Not Found in Windows 10
How to Restore Windows Update Service in Services.msc
How to Refresh VSCode Source Control Detection
Restore Windows Update Service After Clean Boot
Black Screen in Chrome After Turning Off Hardware Acceleration
Taskbar Missing Icons Fix
npm EACCES Error: Install Without Sudo
Fix Chrome High Memory Usage on Windows and Mac
Fix VS Code Terminal Not Opening on Windows 10