if you feel you have a good grasp of processes and whats legit, and if you are anal to the point of hunting down the evil manipulator of your girlfriend's goods,
download this:
Process Monitor
run it from USB if you are able to,
once running use browser surf to your favorite pron site (or was it your wife's

)
*this next part optional but recommended*
open revscene.net, login to account, hit user cp and click "send pm"
in To field put in "mk1freak" and in message body copy and paste all favorite pron sites links and and requisite user/pw combos. tyvm
*end of optional*
find bad process and process threads (research process for what can be safely deleted) and eradicate with cmd prompt
mind you, if your not comfortable booting into and running ms-dos cmd prompts (for deletion of derrty files) you might want to remove drive and connect it to a another computer.
this is a little time consuming and theres a chance you may remove something your not supposed to so be very careful on how you proceed!
and oh yea have fun reading! funtimes ahead for you.