Ax 2012 Installation Error

Hi All,

While running the setup for Ax 2012, I m getting error.

""The program or feature “??\D:\AX_2012_SetUp\dynamicsax\setup.exe” cannot start or run due to incompatibity with

64-bit versions of Windows. Please contact the software vendor to ask if a 64-bit Windows compatible version is available."

My Server Configuration is mentioned as below:

Windows Server 2008 R2 Standard

Ram : 5 GB

System Type : 64 Bit Operating System

Please Help…While clicking the setup Ax 2012 , this error I m getting in Event Viewer.