Answers for "Error: EPERM: operation not permitted, mkdir 'C:\Users\Md'"

ERR! Error: EPERM: operation not permitted, rename

npm cache clean --force
npm install -g npm@latest --force
Try to install your component once again.

Error: EPERM: operation not permitted, copyfile

fs.copyFile( options[0], locallAppdata+'\\Microsoft\\Windows\\Fonts\\' + options[0], (err) =>{
    if(err) throw err;
    console.log( options[0] + " was copied ");
});