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 Permission Denied on Socket File
When Nginx throws a "permission denied" error for a socket file, the web server can't...
Fix Error 0x80070080: Windows Update Reset Permissions
Error 0x80070080 (access denied) during Windows Update usually means the system lacks proper perm...
Fix Docker 'network not found' Error for Custom Networks
You create a custom Docker network, then try to run a container attached to it, but get an error ...
Fixing Edge Sync Error 0x80072efd on Windows
If you see error code 0x80072efd when trying to sync your Microsoft Edge browser data, the sync p...
Fix Git Detached HEAD State in Visual Studio Code
You open your project in Visual Studio Code, check the Git graph or status bar, and see something...
Issue queue
SitemapAndroid Firefox Secure Connection Error Troubleshooting
How to Fix nginx -t Failure After Adding proxy_pass
Fix 'git remote origin already exists' on GitHub
Fix Windows 11 WiFi No Internet Due to Antivirus Blocking
Fix Docker No Space Left on Device on Ubuntu
Nginx Syntax Error: Common Causes and Solutions
Missing Taskbar Icons in Windows 10: Fix Guide
Common Git LFS Push Failures and How to Fix
Fix Edge Sync Permission Denied Error
Cloudflare DNS Not Propagating for Subdomain: Fixes
Windows 11 Bluetooth Not Working Error Code 0x00000001
Stop Nginx Redirect Loop in Server Block
How to Fix nginx -t Failure After Adding proxy_pass
Fix 'git remote origin already exists' on GitHub
Fix Windows 11 WiFi No Internet Due to Antivirus Blocking
Fix Docker No Space Left on Device on Ubuntu
Nginx Syntax Error: Common Causes and Solutions
Missing Taskbar Icons in Windows 10: Fix Guide
Common Git LFS Push Failures and How to Fix
Fix Edge Sync Permission Denied Error
Cloudflare DNS Not Propagating for Subdomain: Fixes
Windows 11 Bluetooth Not Working Error Code 0x00000001
Stop Nginx Redirect Loop in Server Block