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 notesHow to Fix Limited Connectivity on Windows 11 Wi-Fi
You connect to Wi-Fi but see "Limited connectivity" or "No internet, secured." Yo...
Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate
When you run git clone, git pull, or git fetch over HTTPS,...
Fix Chrome Black Screen on Startup Due to Hardware Acceleration
If Chrome opens to a black screen after you launch it, the issue often involves hardware accelera...
How to Manually Activate a Python Virtual Environment
You've created a Python virtual environment but can't get it to activate. This guide walk...
Fix Cloudflare Wildcard Subdomain Origin Server Errors
You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) pointing to you...
Issue queue
SitemapDocker Access Denied Error: How to Resolve
VSCode Breakpoint Not Working? Here's How to Fix It
Windows 11 99% Installation Error Clean Boot Solution
How to Fix ERR_NAME_NOT_RESOLVED on Chrome for Android
Fix 'Python Command Not Found' After Windows Installation
VSCode Source Control Not Showing Changes Fix
Blue Screen After Update Uninstall: Windows 11 Troubleshooting
Fix Edge Sync Stuck on Preparing Sync
How to Fix Cloudflare 522 Error When Website Won't Load
Git Push Timeout for Large Files: Fixes
Set Node Version per Project with .nvmrc
Troubleshoot Node Sass Missing Module Error
VSCode Breakpoint Not Working? Here's How to Fix It
Windows 11 99% Installation Error Clean Boot Solution
How to Fix ERR_NAME_NOT_RESOLVED on Chrome for Android
Fix 'Python Command Not Found' After Windows Installation
VSCode Source Control Not Showing Changes Fix
Blue Screen After Update Uninstall: Windows 11 Troubleshooting
Fix Edge Sync Stuck on Preparing Sync
How to Fix Cloudflare 522 Error When Website Won't Load
Git Push Timeout for Large Files: Fixes
Set Node Version per Project with .nvmrc
Troubleshoot Node Sass Missing Module Error