This question should be asked in the Windows Answers Forum at the following address
http://answers.microsoft.com/en-us/windows/forum/windows_7
Are you trying to run 64 bit programs on a 32 bit operating system? You cannot run 64 bit programs on a 32 bit Windows, but you can run both 32 bit and 64 bit programs on a 64 bit Windows.
Bye.
Luigi Bruno - Microsoft Community Contributor 2011 Award