You could try streaming at a lower quality. You'll see a dramatic drop in your CPU numbers. For example, most laptops don't have enough power to send out a 4 quality (HD + High + Medium + Mobile) stream, but they have adequate CPU to maintain a Medium + Mobile stream.
We recommend your computer to have at least the following system specifications in order to have the best experience with Procaster:
Quad Core CPU
1500Kbps upload bandwidth (check this by visiting www.speedtest.net
Dedicated video card, 512MB VRAM
Windows Vista / Windows 7
Mac OS X 10.6 or higher
If you believe your machine fits these specs and you're still having CPU issues, please open a support ticket in our help center so we can better help you troubleshoot (http://help.livestream.com/customer/portal/emails/new