On Friday, October 04, 2013 07:21:19 PM Piotr Kubaj wrote: > Thanks, VB window shows up, but with a Critical Error, same as before - > > Failed to create the VirtualBox COM object. > > The application will now terminate. > > Callee RC: > NS_ERROR_ABORT (0x80004004) You sure you added you user to group 'vboxusers' ?