I can confirm the proposed workaround works in an updated Ubuntu Hardy:
From a terminal window: sudo apt-get install virtualbox-ose-source module-assistant sudo module-assistant auto-install virtualbox-ose-source sudo /etc/init.d/vboxdrv start
I believe this is needed for every kernel upgrade.
I can confirm the proposed workaround works in an updated Ubuntu Hardy:
From a terminal window: ose-source module-assistant ose-source
sudo apt-get install virtualbox-
sudo module-assistant auto-install virtualbox-
sudo /etc/init.d/vboxdrv start
I believe this is needed for every kernel upgrade.