hi, i just also installed ubuntu through wubi
had the same exact problem ,and tried to do what ghost suggested to lurker partrol
but as im going through the configuration options after i type the dpkg reconfigure command, when it goes to the screen when it asks me to select a color depth, it shows a command promp at the bottom of the screen, and wont let me select the color depth.
in the line, it says something like
"overwritting possibly - customized configuration file; backup in etc/x11/xorg configuration. 20080407054459
i think i did something wrong
btw, i am a total newbie to linux
