Is there anyway to block websites on internet explorer

I am trying to install LifeCam, but don't have enough room in the C partition. The install Program doesn't give me any option as to which "drive", or partition, I want to install to. Is there any way to select it, or am I stuck with having to delete a bunch of stuff to make room for it? this...

Does anyone know where I can download blackberry installation software 4my mac for free?.

As a student, I am required to install Windows Server 2003 trial software. I downloaded the program but cannot install it. The program has an iso extension. Can anyone tell me how to get it to install? There is no exe file.

Does anyone know how to stop anybody that goes on my computer from accessing www.kazza.com Or from accessing Yahoo messenger??