User land generally doesn’t care about file system specifics. Even in your ACL, example, opening a file would succeed or fail. I suspect this is much more like

User land generally doesn’t care about file system specifics. Even in your ACL, example, opening a file would succeed or fail. I suspect this is much more likely to be a secure environment issue. Windows store wants to prevent piracy, there is no way the environment can be trusted because the boot loader wasn’t signed by Microsoft, and therefore may be modified to help people pirate software.