I downloaded and installed grub-pc_1.99~20101126-1ubuntu3_amd64.deb 03-Dec-2010 06:05 872K (along with grub-common same version) and the problem is fixed in that version.
I downloaded and installed grub-pc_ 1.99~20101126- 1ubuntu3_ amd64.deb 03-Dec-2010 06:05 872K (along with grub-common same version) and the problem is fixed in that version.