BIZARRE SITUATION

[Mischa Falkenburg]

Hello All,

Here's the bizarre situation...at least to me.
I have a box that has Ubuntu installed within Windows XP on the C drive. 
Has worked fine for quite a while. Until now. Was working on something 
from the W-side, and had finished what I wanted and left the room. When 
I came back, it was in the process of doing a W update. I thought, "I 
don't need to keep THAT going...", so I initiated a restart since 
something else needed doing on the Ubuntu side. Rather than GRUB coming 
up with the usual selections for me to scroll through, it was showing me 
the Ubuntu version back to 8.04(!), instead of 9.04...
Normally selecting W XP in grub will then show me the choices of  XP & 
Ubuntu. Now when I select Ubuntu the following displays:

Booting 'Ubuntu 8.04.2, kernel 2.6.24-23-generic'
Filesystem type is ntfs, partition type 0x07
kernel /boot/vmlinuz-2.6.24-23-generic 
root=UUID=afe0fc43-e49d-4e85-913c-d5a03
932b192 ro quiet splash
Error 15: File not found

Press any key to continue...

I'd be REALLY surprised if all the latest data is gone, and that's not 
what I expect.

Could anyone steer me in the right direction?

Booting off the 9.04 disk was tried, but I don't see the choice of 
repairing a broken system. I can run 8.04 ok, so if I need to open a 
terminal that shouldn't be a problem.

Thanks-in-advance,
Mischa