Slow FPS in ET QW I know why

[Born_2_Kill_83]

Ive been struggling since the game has been released with slow FPS, this morning I ran a few tests and realised the poor performance is due to the game only using one of my cores.
Core 2 is @ 99/100% while core one is at 15%. Is there a way to enable this game to see both cores? My average FPS is 25/30 but can stoop as low as 15FPS.

Here are my specs:
C2D @ 3.2
4GB OCZ @ 800MHZ
8800GTX

4XAA 16X AF all other settings on high.

 

[Kezmo]

It should be multicore support outa the box, i know the demo and beta used both cores on my e6600 and it uses 4 cores on my q6600.