virtualbox kill some important feature

hello developers
i am now using kernel-server-3
and after installing VB-4.1.0
it kill hibernate , sleep ,shutdown features
so i removed it and after that every thing back to normal
====================
i think VB-4.1.0 package is broken
so is there any suggestion here to correct it
i am now using kernel-server-3
and after installing VB-4.1.0
it kill hibernate , sleep ,shutdown features
so i removed it and after that every thing back to normal
====================
i think VB-4.1.0 package is broken
so is there any suggestion here to correct it