Thanks for answer ,
1.Yes ,I did ,my form is full trust ,and the warning is gone when I preview the form on my machine .After I published the form to the sharepoint the warning comes back again .Every time people try to use my tamplate on sharepoint that warning pop up again .
2.I have just another question : My manger want to receive that submitted form in outlook no attachment just active view because he needs to approve the form.Why everytime I send the form via outlook all button are gone ,he just receive a read only form .How Can I fix that issue .We use outlook 2007 ,infopath 2007 ,and share point 2007
Thanks for your help
Marie