Here is the fix that I recieved from Cakewalk tech support for loading
Aardvark Q10 drivers for Sonar 4. Not sure if my problem was unique, but 
the problem is at the bottom and the fix is between the stars.
I was using driver 7.13.

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First go to Options | Audio | Advanced and change the Driver Mode to
MME or ASIO. Close the program and re-open it. The Wave Profiler
should run tests. If not, find and delete the file AUD.INI from the
Cakewalk program folder. Open Cakewalk and change the Driver Mode
again.

If that fails, reload the latest drivers from:
http://asg.hopto.org/

And delete the AUD.INI file again.
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On Wed, 9 Feb 2005 21:26:31 -0500, wrote:

>Name 
>
>Windows: Windows XP
>
>Product: SONAR 4 Studio Edition
>
>Serial Number:
>
>Audio Card: Aardvark Q10
>
>MIDI Devices: M-audio midisport 2 x 2
>
>Problem description or question: I've just upgraded my system to a P4 2.26GHz,
>865PE chipset, with SP2 and 512 RAM. I also just upgraded from Sonar 2 to Sonar 4.
>When I load the drivers for the sound card (the Q10) Sonar does not
>recognize it as a digital audio driver and nothing shows up in the audio
>driver window (options menu-audio-driver tab). I can use the Q10 for Midi,
>but cannot use it to record or play audio.  Everything worked fine with
>Sonar 2.
>


Cakewalk Technical Support
www.cakewalk.com

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Thank you.