I tried to delete cookies in Privacy setting. I get a dialog box. Allow, Allow this Session, Deny. I cannot select an option. Keep get connection spin symbol. Tried to shut down everything. Dialog box keeps coming up. I can't make a selection. I can't tell if I need these cookies. Can't return to former status and can't connect to internet because it keeps coming up with dialog box and trying to connect to cookie sites. Help!!! This is not the problem computer. It is windows 7. Don't know the Firefox version. Don't know about the plug ins. Does Have Flash