Shoutbox

Have you tried downloading itunes from an alternative location such as filehippo.com?

yes I have, i've tried downloading it from 3 different locations besides the apple site and still the same.

Can't think of any logical cause for that

Seeing as you've only just reformatted it might be worth just doing another reformat. 

First thing you should do (besides AV!) is get FULL Windows Updates done....then begin installing other software

thank you