Before it drops you into the prompt does it display grub? Do you get the
menu at all? Do you get any error messages?

No errors , it just drops me at the prompt. A friend of mine had the same
problem again yesterday and he didn't even apply updates.

Any solution yet?

No errors , it just drops me at the prompt. A friend of mine had the same
problem again yesterday and he didn't even apply updates.

What happens if you type: startx ?

When I start I get this:
---------------------------------------------------


GNU GRUB version 1.97~beta4

[Minimal BASH-like line editing is supported. For the first word, TAB
lists possible command completions. Anywhere else TAB lists possible
device/file completions ]

Sh: grub >

Startx is not one of the options when I press TAB.

the link below highlights my problem and the
solution I have sought.


http://ubuntuforums.org/showthread.php?t=1314064

I take it you are at a tty and the xserver has crashed.
Log in as normal from the prompt and try sudo apt-get update
then sudo apt-get install -f. I just fixed a friend of my son's
laptop that was in a similar position last night. The culprit turned
out to be amarok in his case in the end I had to sudo apt-get remove
amarok and then run sudo apt-get update and sudo apt-get dist-upgrade
and everything was back to normal.

No I don't think so, I once had the problem you are describing, this is
different.

You are stuck at grub prompt and not bash so some of the solutions that rely
on bash will not work. You have not even loaded the kernel yet.

I would seriously consider re-installing. BTW, did you do any drive
maintenance before you installed WUBI? You should check the drive for errors
and defragment it as a precaution. The way WUBI works is that it creates a
large image file for Ubuntu to run in and then mount this file as if it was
a drive or partition. If your drive is full, fragmented or has errors then
it will affect the performance or even corrupt the file. If you are going to
re-install then it is worth the extra step.

If you don't want to re-install then I would suggest that you look at other
options besides WUBI. This is a great technology, but it isn't bulletproof.
There are other ways to run Ubuntu with Windows such as dual booting,
andLinux, CoLinux and running it in a VM. If one method does not work others
might work better for you.