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 ...

The folder ‘virtual-machine-folder-path’ could not be found. You might not have permission to access it. There are two reasons why you are getting this problem, and they are: When you select the ...