Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix 'python command not found' on Windows

You're trying to run a Python script on Windows, but you get an error like 'python&...

How to Downgrade Node.js for Package Compatibility
You install a package and get errors like requires Node.js >= 16, but you have 18...

Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix DNS Probe Finished NXDOMAIN After Changing DNS
After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...

Fix 'node sass build failed' During npm install
When running npm install, you might see an error like "node sass build f...

Cloudflare 522 Error Checklist: Causes and Fixes
If you see a 522 Connection Timed Out error when visiting your site, Cloudflare ...


    Issue queue
Sitemap
Third-Party Antivirus Interfering with Edge Sync: Solutions
Check Node Version Compatibility Before Installing a Package
Fix Detached HEAD in Git Without Losing Work
Fix Windows 11 Update Stuck at 0% Using Registry
VS Code Windows Terminal Python PATH Error Fix
Fix npm install Permission Denied in Home Directory
VSCode TypeScript IntelliSense Missing Fix
Resolving Edge Sync Permission Denied
Troubleshooting Windows Update Error 1053
How to Fix Nginx Load Balancer Refused Connections
Mac M1 Docker Engine Failure: How to Restart
How to Fix 'python' Not Recognized After Reinstalling Python
Desk note

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