Slow Computer. my computer is performing very slow for two days since it was infected Trojans. I

Question

my computer is performing very slow for two days since it was infected Trojans. I removed it with Kaspersky 9.0 but still it take too much time to open my computer and Internet Explorer and almost all services. while trojan remover 6.0 finds no trojans now as well as Kaspersky 9.0.. Please help me please.......