
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

When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....

You run npm install or npm start and get an error like ENOENT: no...

When you see fatal: unable to access 'https://...': SSL certificate problem: unable...

You run npm run build and it fails with errors like SyntaxError: Unexpected to...

You click Check for updates, see 0% for ages, and maybe an error like 'Windows Update service...

You're running docker build from a network drive (NAS, SMB, NFS, or mapped drive...