[Nottingham] virtualbox windows question

[godfrey]

Hi,

Could not make the social tonight (tummy does not like curry, and I had a 
committee meeting to attend where I am a trustee - Nottingham InterFaith 
Council)

Anyways, to my question. Anyone here have experience of doing a Windows repair 
(yes, yuk, I know) when running inside a virtualbox vista image?
I am fed up with having to reboot to that other os whenever I have to connect 
to the network at the office, so want to get windows inside Linux. But of 
course I get the warning about changed hardware and the instruction to 
repair. I 'boot' using the Installation CD, but I have the message "no user 
data found, select complete restore, this will completely wipe C drive"

I am not confident enough to continue with this option, as I have a single 
disk with two partitions (Windows and Linux). If I do select 'continue' will 
it wipe the whole physical disk including linux?

Regards,
Godfrey