Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

How to Fix Git 'index.lock' File Exists Error

When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...

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...

Cloudflare SSL Full Strict Not Working After Update: Fixes
After a Cloudflare update or configuration change, you might see SSL errors like ERR_SSL_PR...

Fix Docker Nginx 502 Bad Gateway After Restart
After restarting your Docker containers, you might see a 502 Bad Gateway error when accessing you...

Python Virtual Environment Not Activating in Git Bash: Fixes
You're in Git Bash on Windows, you run source venv/Scripts/activate, and nothing...

How to Change Git Remote URL with git remote set-url origin
Sometimes you need to change the remote URL of your Git repository — for example, after switching...


    Issue queue
Sitemap
How to Renew an Expired Cloudflare Origin Certificate
How to Resolve Error 0x80070005 in Windows 11
Python Not Working in Command Prompt Windows 10
How to Reset Network Settings in Windows 11 Offline
Cloudflare 525 Error: Origin SSL Certificate Fix
Fix Docker Container Exits Immediately After Start
npm ENOENT package.json Missing on macOS: Troubleshooting Guide
Fix Firefox Secure Connection Failed on Mac
Fix 'Permission Denied' in VS Code Terminal
How to Fix Git Authentication Failed in VSCode on Windows
Fix Windows Update Error 0x80070005: Access Denied
How to Resolve Windows Update Error 0x80070005
Desk note

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