I have Norton internet security. I have Norton internet security 2008 instaled on my p.c., I had

Question

I have Norton internet security 2008 instaled on my p.c., I had to unistall, after reistlation, I cannot get incoming or outgoing email screening, upon trying to switch them on I am shown a messge to the effect that the program is not instaled, I have tried reinstaling again, but I am getting the same result, things were fine before the initial unistal, can you help me?