certification problem

hi, finaly i could run radius with mysql,so thank everyone who helps me, but i have a new problem when i test connection with radtest or NTRadPing program it works fine , but in real world with a notebook on windows xp sp2 it gives an error about," windows cannot find correct certiface" or like this, my operation system in turkish so, i translate the error, what can i do for certicates, thanks for replies and helps _________________________________________________________________ Windows Live Spaces – hayatınız, Alanınız. Daha fazlasını öğrenmek için buraya tıklayın. http://get.live.com/spaces/overview