hi i ve recently installed Ubuntu 10.04 Alpha-3 Netbook remix on my eeepc which was running wih windows 7 on it . installation of ubuntu was successful and it worked well , but when i choose "windows 7 (loader) (on /dev/sda1 )" from grub menu it gave me error saying "
windows failed to start. A recent hardware or software change might be the cause . to fix the problem:
<repair bla bla bla>

status: 0xc000000f
info: The boot selection failed because a required device is inaccessible


additional info:
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 102400 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary
/dev/sda2 13 3134 25063424 83 Linux
/dev/sda3 3134 8616 44040192 6 FAT16
/dev/sda4 8616 19458 87081984 7 HPFS/NTFS
Partition 4 does not end on cylinder boundary
any way to get dual boot working ?