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 ...

There's no need for Guest Additions to copy text between host and guest machines in VirtualBox. To enable copying and pasting ...

To be able to use VirtualBox on Multiple Monitors with any virtual machine, you need to change the default settings. If you have a dual monitor setup and you want to use both screens with your guest ...