With the current branch at time of posting running npm install produces the following fatal error

npm ERR! path C:\htdocs\joomla-cms\node_modules\@types\q\npm-shrinkwrap.json
npm ERR! code EPERM
npm ERR! errno -4048
npm ERR! syscall open
npm ERR! Error: EPERM: operation not permitted, open 'C:\htdocs\joomla-cms\node_modules\@types\q\npm-shrinkwrap.json'
npm ERR!  { [Error: EPERM: operation not permitted, open 'C:\htdocs\joomla-cms\node_modules\@types\q\npm-shrinkwrap.json']
npm ERR!   cause:
npm ERR!    { Error: EPERM: operation not permitted, open 'C:\htdocs\joomla-cms\node_modules\@types\q\npm-shrinkwrap.json'
npm ERR!      errno: -4048,
npm ERR!      code: 'EPERM',
npm ERR!      syscall: 'open',
npm ERR!      path:
npm ERR!       'C:\\htdocs\\joomla-cms\\node_modules\\@types\\q\\npm-shrinkwrap.json' },
npm ERR!   isOperational: true,
npm ERR!   stack:
npm ERR!    'Error: EPERM: operation not permitted, open \'C:\\htdocs\\joomla-cms\\node_modules\\@types\\q\\npm-shrinkwrap.json\'',
npm ERR!   errno: -4048,
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'open',
npm ERR!   path:
npm ERR!    'C:\\htdocs\\joomla-cms\\node_modules\\@types\\q\\npm-shrinkwrap.json',
npm ERR!   parent: 'coa' }
npm ERR!
npm ERR! The operation was rejected by your operating system.

It has been working perfectly on the same windows 10 computer in the same folder for months.

Tried a composer update but no change in the output from npm -i