Fix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Nginx 502 Bad Gateway on Docker Ubuntu
You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see
Fix Git Large File Push Permission Denied
When you run git push and get a permission denied error after adding a large file, t...
Fix Python Permission Denied When Installing Packages
You try to install a Python package with pip and get a PermissionError: [Errno 13] Permissi...
Fix Bluetooth Device Not Detected on Windows 11
You try to pair a Bluetooth mouse, keyboard, or headphones, but Windows 11 doesn't see the de...
Nginx Upstream Connection Refused: Fixing localhost Errors
You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...
Issue queue
SitemapHow to Fix node-sass Build Failed on npm install
Fix pip Install Permission Error on macOS
Docker Compose Environment Variable Cache Fix
How to Resolve DNS Probe Finished NXDOMAIN
Resolve Git Push Rejected Non Fast Forward
Explorer.exe Keeps Restarting? Practical Fixes
Resolve JavaScript Heap Out of Memory in Node
VS Code Git Integration Not Detecting Edits
Fix Docker Pull Access Denied on Windows 10
Fix npm EACCES Permission Denied for Global Install
How to Fix Git Clone Timeout Error Code 128
Git Detached HEAD: How to Recover
Fix pip Install Permission Error on macOS
Docker Compose Environment Variable Cache Fix
How to Resolve DNS Probe Finished NXDOMAIN
Resolve Git Push Rejected Non Fast Forward
Explorer.exe Keeps Restarting? Practical Fixes
Resolve JavaScript Heap Out of Memory in Node
VS Code Git Integration Not Detecting Edits
Fix Docker Pull Access Denied on Windows 10
Fix npm EACCES Permission Denied for Global Install
How to Fix Git Clone Timeout Error Code 128
Git Detached HEAD: How to Recover