well i use IE7 and i don't get that problem, but then again, software reacts diffrent from computer to computer... if IE6 worked better, and you want IE6 (firefox has it's fair share of problems as well.. like i said computer to computer... but i've heard of quite alot of people complaining they're stuck with IE cuz firefox messes up their system) then go here it should help you out:
http://support.microsoft.com/kb/257249