ASIO not working well in cubase

[JordProdMusic]

hello guys, im using mbox 2 mini on windows xp sp3.

ive installed the latest drivers , and when i try to use cubase 5.5.3 , the "ASIO time overload " is always on and i hear all kinds of noises and pops like the cumputer is about to die, even if i have only one audio track with no plugins on it. this only happen in cubase and only with the new version of the mbox driver. the old one did not do this problem, ive already checked it.. iv even try to format my computer but it didnt work. as it seems there is a problem for me with the new mbox 2 mini drivers/
any ideas????

[JordProd]

please, anyone? this problem only happens in cubase (i also use reason, no problem there) and only with the latest version of the mbox 2 driver. with previouse drivers work fine. the only problem with the old drivers is that they do not support anything else than ASIO work, so windows sounds does not work with them
PLEASE HELP