Does unity3d work on windows 7 64bit?

I get this error when trying to start the unity3d from the installer!

Also check out my post about when i try to run from the exe after installation!
http://forum.unity3d.com/viewtopic.php?t=56764

Im running 2.6.x on my 64bit win 7, so it is not the operating system. ( or it shouldnt be )

Can you please use teamviewer to help me solve this!! PLZ

PM a session ID.