Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
^ odd thing is that I only downloaded Mac applications .

Anyway...I've re installed the OS on my Mac and downloaded all my base apps again, from the same places, nothing, no more .exe part coming down, that I noticed anyway.

I'll put this down to a ghost ?
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.