If you don’t have permission error troubles you when mounting an ISO image, then this post may help. The complete error message reads: Couldn’t Mount File, You ...

VirtualBox fails to register & open Hard Disk image file when it detects another duplicate UUID. To fix this problem, you have to remove the existing disk image file.

If you are getting the “Virtual Disk Service error: The service failed to initialize” error, it might be because the Virtual Disk Service is not running. To fix this, you need to start the VDS ...