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 Git Detached HEAD and Checkout a Branch
You're working in a Git repository, make some commits, and then realize you're in a '...
Fix ERR_CONNECTION_RESET Caused by Firewall Blocking Chrome
If you see ERR_CONNECTION_RESET in Chrome, it usually means something interrupte...
Fix Remote Desktop Connection Blocked by Firewall
When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...
Windows 11 Update Stuck at 0%: How to Fix with Troubleshooter
You click Check for updates, it sits at 0% for ages, and the progress bar doesn't budge. This...
Fix Node Sass Build Failure by Upgrading Node Version
If you're seeing a build error like Module build failed: Error: Node Sass does not yet ...
Issue queue
SitemapHow to Handle FTP Unicode Errors in Python
Troubleshooting Firefox Secure Connection Failed
Resolve Git SSL Certificate Problem on Windows, macOS, Linux
Troubleshooting Python Virtual Environment Activation Failure
How to Make Git Always Allow Unrelated Histories
How to Fix Python Memory Errors on Large Files in Windows
Reinstall Microsoft Defender Windows Security
Troubleshooting Cloudflare SSL Full Strict Errors
Fixing Nginx 502 Bad Gateway with Docker and Load Balancers
How to Resolve Git Non Fast Forward Push Rejection
Rebuild Windows Search Index Without Losing Data
Chrome Memory Saver Not Activating? Try These Fixes
Troubleshooting Firefox Secure Connection Failed
Resolve Git SSL Certificate Problem on Windows, macOS, Linux
Troubleshooting Python Virtual Environment Activation Failure
How to Make Git Always Allow Unrelated Histories
How to Fix Python Memory Errors on Large Files in Windows
Reinstall Microsoft Defender Windows Security
Troubleshooting Cloudflare SSL Full Strict Errors
Fixing Nginx 502 Bad Gateway with Docker and Load Balancers
How to Resolve Git Non Fast Forward Push Rejection
Rebuild Windows Search Index Without Losing Data
Chrome Memory Saver Not Activating? Try These Fixes