cant run tdu on vista. securom problem

[klajdi]

Hi. I cant open test drive unlimited on vista. i mount it with DT 4.08 and hide it with yasu 1.07 but still have a securom problem "Please insert the original disc instead of a backup (1000).

Please have a look at http://www.securom.com/message.asp?m=copy&c=1000 for further, more detailed information."
tdu worked well on xp with the same method but on vista i cant run it. and i did open the applications with administrator right. can you guys help me. do i need any other program?
Thanks in advance

[..::shiFt::..]

This is caused by a bad image. Are you using the same image, which you used with Windows XP?