The solution is to fix the vmdk with the following one-time procedure: This prevents some tools from writing to its data directory and causes some software to fail to start. The user “user” is not a member of the “users” group on the OSGeoLive virtual machine. When you install the iso on the VM, the username must be set to “user”
Sudo apt-get install -yes virtualbox-guest-dkms virtualbox-guest-utils virtualbox-guest-x11