1: try refreshing your web browser
2: set this site as a trusted site in internet opteions
3: tun the privacy viewer down a notch
4: make sure your not running any add-ons that may interfeer with it
5: if you downloaded anything recently wether it be a useful item or not, make sure you check that program and see if you might have downloaded any optional programs, alot of times the optionl programs a sofwere recomends can be harmful to your computer.
if none of these work let me know ill see what i can find ^^