Solved it: As noted in http://ubuntuforums.org/showthread.php?t=2154044&highlight=enter+the+administrative+password
gksu-properties was set to su instead of sudo.
Wasn't related to amdcccle. I had exact the same issue when trying to upgrade the VirtualBox Extension pack. Both act normal now.
Solved it: ubuntuforums. org/showthread. php?t=2154044& highlight= enter+the+ administrative+ password
As noted in http://
gksu-properties was set to su instead of sudo.
Wasn't related to amdcccle.
I had exact the same issue when trying to upgrade the VirtualBox Extension pack.
Both act normal now.