I get an Error 13: Invalid or unsupported executable format if I try to boot windows. interestingly, gentoo boots up just fine... Hard disk: $ fdisk -l /dev/hda Disk /dev/hda: 160.0 GB, 160040803840 bytes 255 heads, 63 sectors/track, 19457 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 3 24066 83 Linux <- boot /dev/hda2 4 3500 28089652+ 7 HPFS/NTFS /dev/hda3 3501 16457 104077102+ 83 Linux /dev/hda4 16458 19457 24097500 f W95 Ext'd (LBA) /dev/hda5 16458 17457 8032468+ 83 Linux /dev/hda6 17458 19457 16064968+ 83 Linux $ cat /boot/grub/grub.conf # Boot automatically after 5 secs. timeout 5 # By default, boot the first entry. default 0 # Fallback to the second entry. fallback 1 # For booting GNU/Linux title gentoo root (hd0,0) kernel /kernel-2.6.9-gentoo root=/dev/hda6 #initrd /initrd.img # For booting GNU/Linux title gentoo-working root (hd0,0) kernel /boot/kernel-2.6.9-gentoo-working root=/dev/hda6 #initrd /initrd.img # For booting GNU/Linux title mandrake10 root (hd0,0) kernel /linux-2.6.9 root=/dev/hda5 #initrd /initrd.img # For booting Windows NT or Windows95 title Windows NT / Windows 95 boot menu rootnoverify (hd0,0) makeactive chainloader +1 # For loading DOS if Windows NT is installed # chainload /bootsect.dos # For installing GRUB into the hard disk title Install GRUB into the hard disk root (hd0,0) setup (hd0) # Change the colors. title Change the colors color light-green/brown blink-red/blue Portage 2.0.51-r3 (default-linux/amd64/2004.3, gcc-3.4.3, glibc-2.3.4.20040808-r1, 2.6.9-gentoo-r9 x86_64) ================================================================= System uname: 2.6.9-gentoo-r9 x86_64 AMD Athlon(tm) 64 Processor 3000+ Gentoo Base System version 1.4.16 Autoconf: sys-devel/autoconf-2.59-r5 Automake: sys-devel/automake-1.8.5-r1 Binutils: sys-devel/binutils-2.15.90.0.1.1-r3 Headers: sys-kernel/linux26-headers-2.6.8.1-r1 Libtools: sys-devel/libtool-1.5.2-r7 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CFLAGS="-march=athlon64 -O2 -pipe" CHOST="x86_64-pc-linux-gnu" COMPILER="" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=athlon64 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache distlocks sandbox" GENTOO_MIRRORS="http://gentoo.osuosl.org http://distro.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="amd64 X acpi alsa berkdb bitmap-fonts cdr crypt cups curl dvd dvdr esd f77 fam fbcon flac foomaticdb fortran g77 gdbm gif gnome gpm gtk imlib ipv6 java jp2 jpeg kde libwww lzw lzw-tiff motif mozilla mpeg multilib ncurses nls opengl oss pam perl png python qt readline ssl tcpd tetextiff truetype truetype-fonts type1-fonts usb userlocales xml xml2 xmms xpm xrandr xv zlib"
a stupid mistake on my part. never mind.