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

Fix 'Python Command Not Found' in Git Bash on Windows
When running Python in Git Bash on Windows, you may see bash: python: command not found

Cloudflare Origin Certificate Setup for cPanel
If you use Cloudflare as a reverse proxy, you can install a Cloudflare Origin Certificate on your...

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...

How to Check Docker Disk Space Usage
If you run Docker for a while, you may notice your disk space shrinking. Images, containers, volu...

Fix Node.js Heap Out of Memory in Docker Containers
If your Node.js application running in a Docker container crashes with a "JavaScript heap out...


    Issue queue
Sitemap
Avoid Nginx Reload Errors with Config Check
Troubleshooting index.lock File Error in Git Stash
Troubleshooting Firefox SSL Error Codes
Fix 'Windows Cannot Access Shared Folder' in Workgroup
Mac Firefox Secure Connection Failed Troubleshooting
Cloudflare Wildcard Subdomain Not Resolving? Try These Fixes
Resolve Limited Network Access on Windows 11
Cloudflare Wildcard Subdomain Not Resolving? Try These Fixes
Fix 'Python Not Recognized' Error on Windows 11
How to Resolve Command Not Found in VS Code Terminal
Resolve npm EACCES Error in VS Code Terminal
VSCode Git Bash Terminal Not Opening Fix
Desk note

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