Comment 34 for bug 693671

Hi,
Firstly i have to say i'm new on Ubuntu and here (i don't know if i write wrong place but it seemed similar to my problem)

yesterday i installed Ubuntu 11.10 with wubi on win7 64 bit.. then i installed some programs and all updates.. then i don't know what happened , when i choose ubuntu to start up an error message appears and black screen follows it..

it was hard to read the error because it appears and disappears so fast..

Try(..(?)...) ntfs error: "prefix" is not set

i have root.disk in correct place, i have wubildr ..

i searched internet but i couldn't find anything . So, what should i do?

thanks in advance ..