In case you don’t know, Hyper-V and other virtual machine software do not get along on the same computer. You must choose either Hyper-V or any other third-party virtual machine software. In this case ...

If you cannot open the guest session and get a VERR_NOT_FOUND VirtualBox error, follow the tips, solutions, and workarounds mentioned below. Check if “VBoxGuestAdditions.iso”n exists Insert Guest ...