Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

If you've set Cloudflare SSL/TLS encryption to Full (strict) and see a

Fix Nginx Configuration Test Failed: Duplicate Listen Error

When running nginx -t to test your configuration, you may see an error like "...

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<...

Docker Container Exits Immediately: Diagnosing Out of Memory You start a Docker container and it exits within seconds. The logs show nothing obvious, or they ...

Why npm Says 'package.json Not Found' and How to Fix It You run npm install or npm start and get npm ERR! package.json no...

Issue queue Sitemap VS Code Remote Debugging: Breakpoint Not Hit Fix Git SSL Certificate Problem: No Certificate Store Fix Chrome Status Access Violation Registry Fix Guide How to Resolve RDP Password Expired Issue VSCode IntelliSense Not Working for React: Fixes Why VS Code Git Ignores New .gitignore Rules Troubleshooting Docker Network Missing Error Windows Terminal Python Command Missing Fix Fix Explorer Crashing with System File Checker How to solve nginx config test failure unexpected end of file How to Fix npm run build Syntax Error Fix VSCode Terminal Permission Denied in Python venv Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities