Belt part not appear in 64 bit

Dear All ,

I have a problem in solidworks2010 64 bit that when start making a belt the belt Icon appears in the feature manager but there I was not able to creat a part from the belt although it was selected to creat a part in the belt feature. but in the 32 bit every thing was going well. can any one help because I am now using the 64 bit version.

Thanks

Ramzi 

SolidworksParts And Features