If you have a PC it's best to use a dedicated Video/Audio production Operating system. Ubuntu Studio is a Linux derived OS specialty designed for professional Video and Audio production. You might think this is overkill but it's free so you might as well download and install it. If your running Vista on your PC you should use a separate hard drive for your Linux OS. Microsoft has made it very difficult for the non-technogeek to install separate partitions on a hard drive with Vista. Microsoft does not play well with others. Just get an external USB hard drive and load Ubuntu Studio on it. When you want to use Ubuntu Studio just plug in the hard drive and select it for boot.

http://ubuntustudio.org/