I didint manage to it,i tried rerinstallation with different settings but....nothing,so....i didi it thaq hard way ....I moved to Iatkos v7 and the problem was solved.!!!!
4 cores now fully working.Smll problem with update but thats another issue for another topic i am going to make.
I will Keep testing and trying,as the Spartian motto 'ή ταν ή επι τας'' which means "Come home with your shield or on it." so we are goint to succed or die trying on our PC

Thanks