Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Cloudflare Origin Certificate Setup Checklist

You've set up Cloudflare but your origin server still shows SSL errors or mixed content warni...

Fix Nginx Upstream Connection Refused in Proxy Pass

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

Fix Cloudflare SSL Full Strict Permission Denied Error
If you're using Cloudflare's SSL/TLS encryption mode set to Full (strict) and suddenly se...

Fix VSCode Git Authentication Failed: Permission Denied
If you see 'Git authentication failed' or 'permission denied' when pushing or pul...

DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences
When you see a 'DNS probe finished NXDOMAIN' or 'Server not found' error in your ...

Fixing Nginx Permission Denied Due to SELinux Context
You've configured nginx, but when you try to access your site, you see a 403 Forbidden<...


    Issue queue
Sitemap
How to Fix Remote Desktop Error 0x204
How to Fix Incomplete Certificate Chain on Origin
How to Handle UTF-16 Encoding in Python
How to Fix Node.js Permission Errors in VS Code
Fix VS Code IntelliSense Not Working After Update
Windows Security App Reinstall Guide
How to Resolve Git Token Expired in VSCode
Windows 10 Taskbar Icon Cache Repair Guide
Resolve npm install EACCES Error in Home Folder
Fixing Git Clone: Timeout and Permission Denied Issues
Fix Docker Build Context Canceled on Network Drive
Docker Desktop Engine Won't Start After Reboot Fix
Desk note

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