:Vista SP1 Won't Install on Dual-Boot Systems: Microsoft
Vista SP1 Won't Install on Dual-Boot Systems: Microsoft Apr 13, 2008, 12 :00 UTC (18 Talkback[s]) (22895 reads) (Other stories by James Bannan)
"Are you currently running Windows and Linux in a dual-boot setup? You're going to have major headaches with Vista SP1, Microsoft has admitted.
"If you're dualbooting Windows Vista Enterprise or Ultimate alongside a Linux distro, and have installed the Linux bootloader into the MBR, then you're guaranteed to run into problems when installing Vista Service Pack 1, Microsoft has admitted..."