Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Nginx Configuration Test Failed: Fix Server Block Errors

When you run nginx -t and see "test failed" with a server block error, it us...

Fix Docker Compose 'Port Already Allocated' for MySQL

You run docker compose up and get an error like Error: Port 3306 is already al...

Fix Windows 11 WiFi Connected but No Internet: IPv4 Settings
You see the WiFi icon connected, but websites won't load. The network shows “No internet” or ...

Fix Windows 11 WiFi with Internet but No Network Access
After a network reset, some Windows 11 users find their WiFi connects but shows "No internet&...

How to Fix Git Merge Unrelated Histories Error
You run git pull or git merge and get:
fatal: refusing to...

Fix Nginx 502 Bad Gateway with Docker Environment Variables
If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...


    Issue queue
Sitemap
Docker Volume Permission Denied as Root Fix
Docker Postgres Volume Permission Denied Fix
Chrome Extensions Won't Load – Troubleshooting Guide
How to Add Python to PATH in Windows
Chrome Extensions Permission Denied: How to Fix
Windows 11 Blue Screen After Update: Step-by-Step Fix
Fix 'python' Not Recognized in Anaconda on Windows
npm Build Failed: Syntax Error Troubleshooting
Git index.lock Error on Mac: Fix and Prevention
Detect Node.js Memory Leaks with These Tools
Resolving 'index.lock File Exists' in Git
How to Remove Git index.lock File Error
Desk note

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