Unity 2.6 Free will not launch

I just downloaded the Unity 2.6 Free and the install goes fine, but when I try and launch Unity nothing happens. No errors or splash screen.

I did submit a problem report via the app that comes with Unity, but since I am running the free edition, I am not anticipating a quick answer, so I thought I would throw the question in here.

Has anyone else had this problem?

My system specs are:
Vista 64
Q6600 quad core
8gig RAM
and nVidia 9800GX2

Try disabling data execution prevention for the .exe file. That’s what happened to me

That did it, thank you so much.