BDC failed to upload in window 7 professional 32 bits

Dear Guru;

we have sales order creation BDC programe which runs perfectly well on windows xp but when the same is made to run on window 7 professional 32 bit the BDC programe was stopped at the the 9th line item but if the line item is less than 9 the BDC programe runs perfectly well.So kindly suggest if we requre to update the SAP logon pad or install new patch.