yessss i now what was my problem i use win toolkit v 1.4.38.6 I downloaded the file X17-58997.iso Windows 7 Home Premium x64 English, and i chose in win toolkit the version of the windows 7 ultimate That's the problem!!! When I downloaded the file X17-59465.iso Windows 7 Ultimate x64 English, meaning The original file of the Ultimate, everything worked great, the conclusion is : must use the disc windows 7 Ultimate Original, and to chose in win toolkit windows 7 ultimate,otherwise it will not work