Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Defender Real-Time Protection Not Starting
If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...
Fix Cloudflare SSL Full Strict Certificate Mismatch Error
If you set Cloudflare SSL/TLS encryption mode to Full (strict) and see a certificate mismatch err...
Fix Chrome Black Screen on Nvidia GPU with Hardware Acceleration
If you're seeing a black screen in Chrome—especially when watching videos or scrolling—and yo...
Fix Docker Compose Environment Variable Default Value Not Used
You define a default value for an environment variable in your docker-compose.yml file, but when ...
Fix Windows Security App Not Opening Command Prompt
You click the Windows Security icon or try to launch it from Settings, but nothing happens. Or pe...
Issue queue
SitemapDocker Network Missing After Reboot – How to Fix
Step-by-Step Guide to Fix Git Remote Origin Already Exists
Nginx 502 Bad Gateway in Docker PHP-FPM: How to Fix
How to Force Windows Search to Exclude a Folder
Fix Windows 11 Update Stuck at 0% with Low Disk Space
Fix Chrome Access Violation Error on Mac
Python Dependency Conflict Resolution Guide
How to Fix Firefox Secure Connection Failed Certificate Error
Docker Compose Port Already Allocated: How to Fix
npm package.json Not Found After npm init Fix
How to Fix Nginx Permission Denied for Socket File
Fix DNS Probe Finished NXDOMAIN for a Specific Website
Step-by-Step Guide to Fix Git Remote Origin Already Exists
Nginx 502 Bad Gateway in Docker PHP-FPM: How to Fix
How to Force Windows Search to Exclude a Folder
Fix Windows 11 Update Stuck at 0% with Low Disk Space
Fix Chrome Access Violation Error on Mac
Python Dependency Conflict Resolution Guide
How to Fix Firefox Secure Connection Failed Certificate Error
Docker Compose Port Already Allocated: How to Fix
npm package.json Not Found After npm init Fix
How to Fix Nginx Permission Denied for Socket File
Fix DNS Probe Finished NXDOMAIN for a Specific Website