Autodesk shows error on Windows XP OS SP2

Hi,
I get this following error message when I try to run Autodesk using Windows XP OS SP2. I just updated this software but I can’t solve this problem. Have you any idea to fix this issue? Any help would be appreciated. Thanks.

Optimization
Update 1 for Inventor 2013 SP1.1 is required to keep using the Optimization service. Please go to
www.autodesk.com/invopt2013update to get the update.
