sudden message from "Apple" telling me that I have down loaded infected files

Does Apple suddenly interrupt your browsing to tell you that you have down loaded infected files? I know that something has gotten on my computer but I was not expecting message from apple to either chat or call them about this. I chose to chat but when I got to warning in logmein that said private files could be accessed I refused access. I did down load a update file I thought was from Adobe and since then I have had multiple problems with pop ups so I was not initially suspicious as I should have been