Could not mount the media/drive '/home/User/.config/VirtualBox/VBoxGuestAdditions_5.1.6.iso' (VERR_PDM_MEDIA_LOCKED).


Result Code: 
NS_ERROR_FAILURE (0x80004005)
Component: 
ConsoleWrap
Interface: 
IConsole {872da645-4a9b-1727-bee2-5585105b9eed}
Callee: 
IMachine {b2547866-a0a1-4391-8b86-6952d82efaa0}