nah, i never use antivir premium.
most internet problem that i ever have are caused by the ISP. and as far as i know, security software won’t affect your internet connection (:NRD) ( ;D ;D ;D ;D ;D ).
ehm, but i remember Grampa said his comp became weird after he use Antivir premium + BOClean. he didn’t mention anything about slow connection though.
well, if you wanna find a replacement for antivir premium (it’s 6 month free registration right?), why don’t use antivir FREE + other antispyware (like spyware terminator) or use avast 4.8home (it has all antivir premium’s features, i guess)