I'm beginning to think I might have a virus or trojan. Is there any way to find out for certain? Here's why I think I might have something. My computer has been lagging and running more slowly. I get pop ups saying to update flash player. And I think I remember entering my password to download it. It will not let me install ios software updates (says there is an error). And I ran a code through Terminal from f-secure and got a long message back instead of an error code (which is supposedly a bad thing). Would it help to paste the message I got into this thread? I downloaded f-secure's Flashback remover and it says I don't have Flashback. But I'm still not convinced, because something doesn't feel right. I also have Dr. Web Light scanning now and so far it's clean. Is it possible that they would not detect it if it's there? I have a MacBook Pro, running on ios 10.6.8. Is there a way to send a program through my computer to remove it if it's there? Is there a way to really find out for sure? Would buying and installing the latest ios version through Apple remove it and secure my computer? Thanks so much for any help.