sorry rm -Rf /lib/modules/2.6.28-11-generic/kernel/drivers/media/ has been sudo rm -Rf /lib/modules/2.6.31-14-generic/kernel/drivers/media/
sorry 2.6.28- 11-generic/ kernel/ drivers/ media/ 2.6.31- 14-generic/ kernel/ drivers/ media/
rm -Rf /lib/modules/
has been sudo rm -Rf /lib/modules/