How to Fix the Git index.lock File Exists Error
You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix npm Global Install Permission Denied Without Sudo
When you run npm install -g and see "EACCES: permission denied", it's be...
How to Fix Git Detached HEAD Error
You run git status and see "HEAD detached at" followed by a commit hash. Thi...
Fix Chrome Hardware Acceleration Black Screen in Windows 11
If Chrome shows a black screen on Windows 11, especially after an update or when playing video, h...
How to Fix Chrome ERR_NAME_NOT_RESOLVED Error
You try to open a website in Chrome and see ERR_NAME_NOT_RESOLVED. This error me...
Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...
Issue queue
SitemapHow to Fix Windows 11 Installation Assistant Stuck at 99%
How to Fix No Internet on Windows 11 Wi-Fi Without Restarting Router
Windows 11 Blue Screen Driver Update Rollback Guide
How to Fix Git Unrelated Histories Error When Merging Branches
Configuring the Windows Update Service for Reliable Updates
Fix pnpm Missing Peer Dependency Warnings
How to Resolve Non Fast Forward Rebase Rejection
Fixing Nginx Permission Denied for Root Directory
How to Fix Chrome Startup Crash by Disabling Extensions
Resolve Git index.lock Error That Won't Go Away
How to Fix Nginx 502 Bad Gateway in Docker
Windows RDP Connection Error: Causes and Fixes
How to Fix No Internet on Windows 11 Wi-Fi Without Restarting Router
Windows 11 Blue Screen Driver Update Rollback Guide
How to Fix Git Unrelated Histories Error When Merging Branches
Configuring the Windows Update Service for Reliable Updates
Fix pnpm Missing Peer Dependency Warnings
How to Resolve Non Fast Forward Rebase Rejection
Fixing Nginx Permission Denied for Root Directory
How to Fix Chrome Startup Crash by Disabling Extensions
Resolve Git index.lock Error That Won't Go Away
How to Fix Nginx 502 Bad Gateway in Docker
Windows RDP Connection Error: Causes and Fixes