I haven't heard of anyone having problems with this in Dapper. Could you please update this bug with the final release of Dapper and either close this bug or update it to see what happens.
-- Error 6: Mismatched or corrupt version of stage1/stage2 when installing GRUB into partition (not MBR) https://launchpad.net/bugs/20914 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
