Could not mount the media/drive 'C:Program FilesOracleVirtualBoxVBoxGuestAdditions.iso' (VERR_PDM_MEDIA_LOCKED).


Result Code:
E_FAIL (0x80004005)
Component:
ConsoleWrap
Interface:
IConsole {872da645-4a9b-1727-bee2-5585105b9eed}
Callee:
IMachine {85cd948e-a71f-4289-281e-0ca7ad48cd89}