LinuxQuestions.org - Can't boot WinXp after installing ubuntu

Hi, I'm having problem booting my WinXp partition after installing ubuntu. Everytime I tried to load WinXp, a blue screen appears saying some rubbish about windows is forced to shutdown to avoid system damage. At the end it says *** stop: 0x00000007B (0XF894d^3C, 0XC000000E, 0X00000000, 0X00000000).

Here's my 'fdisk /dev/hda -l'

Code:

Disk /dev/hda: 160.0 GB, 160041885696 bytes

116 heads, 43 sectors/track, 62666 cylinders

Units = cylinders of 4988 * 512 = 2553856 bytes



  Device Boot      Start        End      Blocks  Id  System

/dev/hda1  *          1        8212    20480706+  7  HPFS/NTFS

/dev/hda2            8213      54221  114746446  83  Linux

/dev/hda3          54222      54808    1463978    5  Extended

/dev/hda5          54222      54808    1463956+  82  Linux swap / Solaris

I've tried booting through WinXp CD, and pressed R to repair. Based on what I've read on some threads, I might be able to fix this using FIXMBR, but when I'm about to do that, it says FIXMBR might mess up the partition table, and system not recoverable, something like that. Is there any better way to fix this problem? What does FIXMBR actually do? Will it really mess up the partition table that bad so it can't be repaired anymore? Or will it affect any data on my partition?