cubase sx 3 not detecting key strokes

[optimuz]

I just recently received my access virus keyboard, and I've had no problems running it with stand alone vst programs such as Absynth.

My only problem is that Cubase won't detect the key strokes on my access virus using the virus control vst. I've already set the in to all midi inputs, and out to the virus TI, but it still refuses to detect the strokes on the keyboard. I've put the audio bay to the virus usb audio, but still nothing works. I even tested it out with other vst plugins with cubase, and it won't detect it. My M-Audio keyboard detects perfectly on cubase but the access virus won't even detect anything.

Am I doing anything wrong?

Much help would be appreciated thanks