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 notesWindows 11 Installation Assistant Stuck at 99% Disk Space
You’re running the Windows 11 Installation Assistant, it gets to 99%, and then sits there. The pr...
Docker Network Not Found in Swarm Mode: Fixes & Causes
When running Docker in Swarm mode, you might see an error like network "xyz" not fo...
How to Fix Error 0x80070005 in Windows Update
When Windows Update fails with error 0x80070005, it usually means the system doesn't have the...
How to Fix Nginx Upstream Connection Refused Error
If you're seeing upstream connection refused in your Nginx error logs, it usuall...
How to Reset Bluetooth in Windows 11
Bluetooth problems in Windows 11 often show up as devices not pairing, intermittent disconnects, ...
Issue queue
SitemapDocker Pull Unauthorized Access Denied Fix
Firefox Secure Connection Failed on All Websites: Fix Guide
Docker Container Stops Right After Starting: Entrypoint Fix
VS Code Not Showing Git Changes: Fix Guide
Understanding Git Conflict Types: Merge vs Rebase
Chrome Black Screen After Update: Hardware Acceleration Fix
How to Fix npm ERR! enoent ENOENT: package.json Missing
Resolve JavaScript Heap Out of Memory in VS Code
Fix 'package.json Not Found' After Cloning a Repository
How to Fix Windows Update Service Not Running
How to Resolve Cloudflare Wildcard Permissions Denied
How to Fix Git Clone Timed Out and Permission Denied Errors
Firefox Secure Connection Failed on All Websites: Fix Guide
Docker Container Stops Right After Starting: Entrypoint Fix
VS Code Not Showing Git Changes: Fix Guide
Understanding Git Conflict Types: Merge vs Rebase
Chrome Black Screen After Update: Hardware Acceleration Fix
How to Fix npm ERR! enoent ENOENT: package.json Missing
Resolve JavaScript Heap Out of Memory in VS Code
Fix 'package.json Not Found' After Cloning a Repository
How to Fix Windows Update Service Not Running
How to Resolve Cloudflare Wildcard Permissions Denied
How to Fix Git Clone Timed Out and Permission Denied Errors