The flash installer for Adobe Flash Player 11.5.502.149 doen't look correct. Given the rash of fake Flash installers, it's rather disconceting to get something like this from the http://get.adobe.com/flashplayer/. Here's a screen shot of the installer on a Mac:
I hope this was safe to install, since I have installed it, Safari was refusing to open flash saying my version was out of date.
/peter