I am not to good

Question

I am not to good on the computer ,Ijust like to play around on it.But my husband got a new Windows Vista and now i can not find my address book or bubbies screen names, I also went to change mp password, the account is in wy name Grace V. Fischer screen name [e-mail]. befor the computer would tell me how to do it,now i cann't find anything. Grace Fischer [e-mail]