Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Nginx Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Chrome Extensions Not Loading? Try This Checklist
You open Chrome, click the puzzle icon, and see your extensions are grayed out or missing entirel...

Docker Container Exits Immediately: 'Command Not Found' Fix
You start a Docker container and it exits immediately with a message like /bin/sh: 1: somec...

Fix 'pip externally managed environment' Error in Python 3.12
If you're using Python 3.12 on a modern Linux distribution (like Fedora 38+, Ubuntu 23.04+, o...

Fix VS Code Source Control Not Detecting Changes on Windows 11
If you're using VS Code on Windows 11 and the Source Control panel isn't showing your fil...

Fix Docker Overlay2 Disk Usage and No Space Left Errors
When Docker reports 'no space left on device' or you notice disk usage climbing in ...


    Issue queue
Sitemap
Fix VS Code IntelliSense Not Working in Remote SSH
Resolving Docker Context Canceled and Permission Denied Errors
Fix 'Permission Denied' When Activating Python venv
How to Handle pip install Permission Denied and Conflicts
Chrome PDF Access Violation Error Fix
Avoid MemoryError in Python: Handling Large Files Efficiently
Bluetooth Device Not Found on Windows 11? Try These Fixes
Fixing Nginx Configuration Test Errors
Docker Container Exits Immediately with Volume Mount – Fixes
Git LFS Configuration for Large Binary Files
Resolve Docker 'No Space Left on Device'
Chrome Safe Mode for Startup Crashes
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities