I've had MSE on my pc for a while now. I installed it around the same time of a past Patch Tuesday so I couldn't tell if it was MSE or the updates slowing my pc down. I've relunctantly come to the conclusion its MSE slowing this down so I need an AV that won't slow it down. I'm not going back to Avast & I will not use AVG so I'm asking for a decent easy to use anti virus program that'll work with Mbam,Spywareblaster,SAS,Spybot S&D,& Comodo Firewall. I know my pc needs more RAM,but I don't have the $$$. It has 512 mb RAM. Thanks in advance.