thank you the updated version works

but i think my graphics card is not ok, if i set I bigger then 9 i get

 [2013-06-12 08:18:46] GPU0: invalid nonce - HW error - d17e2089
 [2013-06-12 08:18:47] GPU0: invalid nonce - HW error - cdb3c1f4
 [2013-06-12 08:18:47] GPU0: invalid nonce - HW error - 2f63b98a
 [2013-06-12 08:18:47] GPU0: invalid nonce - HW error - b428d90b
 [2013-06-12 08:18:46] GPU0: invalid nonce - HW error - 71a9f146
 [2013-06-12 08:18:47] GPU0: invalid nonce - HW error - 36910f4a

guess its running too hot on intensity higher then 9