[ubuntu] Ubuntu 12.10 pretty slow on Virtualbox

Hi All,

I have windows 8 machine, and have installed ubuntu 12.10 on virtualbox.
But, its too slow, almost not workable at all.

I have decent specs, corei5 1.8ghz, 4GB RAM, 2GB ATI 7670 GPU and SSD.

Any clue whats wrong?

Thanks.

KK