Tethed Boot stops at - Sending IBEC K66.ap.......

Hello,
when I start the ATV over Tethered boot, this message comes and he stays’dort also available: sending IBEC K66.ap …
What can I do to make the Tethed boot weitzerläuft and the ATV starts?
Background: The ATV has been jailbroken with the current 0.97 and it is now trying to start with a different PC, since the ATV heard my friend.