How to Fix Git 'index.lock' File Exists Error
When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix VSCode Git Authentication Failed SSH Key Error
You try to push or pull in VSCode and get Git: authentication failed even though you...
How to Fix Windows Explorer Keeps Restarting
If Windows Explorer (the desktop, taskbar, and file manager) keeps restarting, you'll see the...
Fix ERR_CONNECTION_RESET in Chrome Due to Antivirus
You're browsing normally when Chrome suddenly displays ERR_CONNECTION_RESET....
Cloudflare Wildcard Subdomain Troubleshooting Checklist
When you set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, subdomain...
Fix VS Code Source Control Not Detecting Changes After Branch Switch
After switching branches in Git, VS Code's Source Control view sometimes stops showing change...
Issue queue
SitemapHow to Avoid Memory Errors in Python with Large Files
npm install Permission Denied: VS Code Terminal Fix
Chrome Crashes on Launch? Keep Your Bookmarks Safe
Fix 'Python' Command Not Found in Windows 10 64-bit
Git Merge Conflict Auto Resolve Not Working: Common Fixes
Cloudflare DNS Propagation: How Long Does It Take?
VSCode Debugging: Source Maps and Breakpoints
Git Push Rejected: Non Fast Forward Branch Solution
Resolve pip Permission Error in Ubuntu Without sudo
DNS Probe Finished NXDOMAIN Error Explained
Viewing the Diff in a Git Merge Conflict
Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS
npm install Permission Denied: VS Code Terminal Fix
Chrome Crashes on Launch? Keep Your Bookmarks Safe
Fix 'Python' Command Not Found in Windows 10 64-bit
Git Merge Conflict Auto Resolve Not Working: Common Fixes
Cloudflare DNS Propagation: How Long Does It Take?
VSCode Debugging: Source Maps and Breakpoints
Git Push Rejected: Non Fast Forward Branch Solution
Resolve pip Permission Error in Ubuntu Without sudo
DNS Probe Finished NXDOMAIN Error Explained
Viewing the Diff in a Git Merge Conflict
Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS