Might also try Shift+Ctrl+Alt+Delete.Note: Because Ctrl-Alt is the key combination used to tell VMware Workstation to release (ungrab) mouse and keyboard input, combinations that include Ctrl-Alt are not passed to the guest operating system. If you need to use such a combination - for example, use Ctrl-Alt-<Fkey> to switch between Linux workspaces in a virtual machine - press Ctrl-Alt-Space, release Space without releasing Ctrl and Alt, then press the third key of the key combination you want to send to the guest.