Config.Msi: operation not permitted

[sysmat]

• version: "sass": "1.32.0"
• Node: 12.6.0, OS: win32 x64
• running: "prebuild": "sass --style=compressed src/assets/sass/arnes-bootstrap.scss > src/assets/css/arnes-bootstrap.css"
• error:

Error reading ..\..\..\..\..\..\..\..\..\Config.Msi: operation not permitted.

node_modules\sass\sass.dart.js 1194:17   Object.wrapException
node_modules\sass\sass.dart.js 12536:17  Object._systemErrorToFileSystemException
node_modules\sass\sass.dart.js 12515:16  Object.dirExists
node_modules\sass\sass.dart.js 41487:17  listDir__closure0.call$1
node_modules\sass\sass.dart.js 23686:16  WhereIterator.moveNext$0
node_modules\sass\sass.dart.js 23685:50  WhereIterator.moveNext$0
node_modules\sass\sass.dart.js 6033:49   Object.List_List$from
node_modules\sass\sass.dart.js 29736:16  WhereIterable.toList$1$growable
node_modules\sass\sass.dart.js 29739:19  WhereIterable.toList$0
node_modules\sass\sass.dart.js 9293:104  Object._realCasePath
npm ERR! code ELIFECYCLE
npm ERR! errno 66 

[ymongo]

same configuration on win10, same kind of error:

Error reading ..\..\..\..\..\..\IntelOptaneData: operation not permitted.
npm ERR! code ELIFECYCLE
npm ERR! errno 66
npm ERR! anef-theme@0.1.0 compile: `npm install sass && sass --update anef:dist/theme`
npm ERR! Exit status 66

Solved by building on ubuntu18 via WLS2