Adobe flWhat add-ons do i dissable or enable?

Hello,

i'm trying to download adobe flash player and when i do a pop up blocker keeps coming up and says 'Internet explorer is currently running with add-ons disabled. Click here to manage, disable, or remove your add ons.' I've enabled all my add ons, but im really confused why it still isn't working? and what ones to enable and what ons to disable. Pleas help me? :)