Go into Settings and click logout
Yes, that's the correct answer .
wow.so easy! :) sorry i am not a computer man.
this forums adress is stored in a folder "cookies".can i delete it (the adress).would it not mess up the system?
Yes, you can safely delete cookies -- go to Tools/Internet Options and find section regarding cookies. When you delete them you'll have to login again to any webpage that uses them (not only to this website), but it shouldn't be a big deal.