Configuration build command in config / index.js in a property called assetsPublicPath, its value is '/'. It means that the root directory, then will start looking from the root directory of the hard drive where the index.html, they can not be found.
The solution: to './' then you are no longer the absolute path of the root directory, but instead a relative path, to find the same directory.
build: {
...
assetsPublicPath: './',