diff -Nurpd uck-orig/libraries/remaster-live-cd.sh uck-hack/libraries/remaster-live-cd.sh
--- uck-orig/libraries/remaster-live-cd.sh	2012-07-03 22:13:49.133106197 +0200
+++ uck-hack/libraries/remaster-live-cd.sh	2012-07-04 19:51:14.798846993 +0200
@@ -400,6 +400,12 @@ function prepare_rootfs_for_chroot()
 	chroot "$REMASTER_DIR" sed -i -e "s/exec update-grub/#exec update-grub/" /etc/kernel/postinst.d/zz-update-grub
 	chroot "$REMASTER_DIR" sed -i -e "s/exec update-grub/#exec update-grub/" /etc/kernel/postrm.d/zz-update-grub
 
+	echo "Holding grub packages to prevent update problems..."
+	echo grub-common hold | chroot "$REMASTER_DIR" dpkg --set-selections
+	echo grub-pc hold | chroot "$REMASTER_DIR" dpkg --set-selections
+	echo grub-pc-bin hold | chroot "$REMASTER_DIR" dpkg --set-selections
+	echo grub2-common hold | chroot "$REMASTER_DIR" dpkg --set-selections
+
 	echo "Remembering kernel update state..."
 	update_flags="reboot-required reboot-required.pkgs do-not-hibernate"
 	varrun="$REMASTER_DIR"/var/run
@@ -436,6 +442,12 @@ function clean_rootfs_after_chroot()
 	chroot "$REMASTER_DIR" sed -i -e "s/#exec update-grub/exec update-grub/" /etc/kernel/postinst.d/zz-update-grub
 	chroot "$REMASTER_DIR" sed -i -e "s/#exec update-grub/exec update-grub/" /etc/kernel/postrm.d/zz-update-grub
 	
+	echo "Unholding grub packages..."
+	echo grub-common install | chroot "$REMASTER_DIR" dpkg --set-selections
+	echo grub-pc install | chroot "$REMASTER_DIR" dpkg --set-selections
+	echo grub-pc-bin install | chroot "$REMASTER_DIR" dpkg --set-selections
+	echo grub2-common install | chroot "$REMASTER_DIR" dpkg --set-selections
+
 	UCK_USER_HOME_DIR=`xauth info|grep 'Authority file'| sed "s/[ \t]//g" | sed "s/\/\.Xauthority//" | cut -d ':' -f2`
 	if [ `echo $UCK_USER_HOME_DIR | cut -d '/' -f2` == 'home' ] ; then
 		echo "Removing /home/username directory..."