1. Scenario
After installing node in win10, the commands node – V and NPM – V are normal. The node is successfully installed, but an error is reported when running NPM I:
npm ERR! Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_ cache\_ cacache'
2. Cause
insufficient privilege
3. Solution
Find the node installation directory, right-click properties, click Security, and set users’ full control permission
Run CMD in administrator mode