Why would you use MSE if you've got 2 very good antivirus/antimalware by ur side?
well, Vlk said that it's not recommended to use MSE together with avast..
MS Windows Vista Home Premium, AMD Athlon 64 X2 Dual Core Processor 4800+, 1GB RAM, NVIDIA GeForce 6150SE, MBAM, SAS, WinPatrol, Avast! Antivirus
~ I've got a barrier for myself, I'll let everything through unless I know the changes it might cause.