


Why Am I Getting 'EPERM: operation not permitted' When Using `npm config set prefix` on Windows?
Nov 08, 2024 pm 12:23 PMOvercoming "EPERM: operation not permitted" on Windows with npm
When executing npm config set prefix /usr/local, you might encounter the error "EPERM: operation not permitted" on Windows OS. This issue arises while attempting to create a directory in the specified path. Deleting files from the C:Users<your username>.configconfigstore directory may not resolve the problem.
The root cause of this error is the incorrect path provided for the prefix variable. The path /usr/local is not valid for Windows systems, causing npm to attempt creating the directory at C:Program Files (x86)Gitlocal which requires administrator privileges to modify.
To rectify this issue, follow these steps:
- Run cmd as administrator.
- Execute npm config edit to open the npm configuration file in Notepad.
- Locate and change the prefix variable's value to C:Users<User Name>AppDataRoamingnpm.
- Save the changes and close Notepad.
After completing these steps, npm commands should execute as expected in a normal console window.
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