Problems with Shareaza 2.5.0 and downloads from web sites

I am using Shareaza 2.5.0. When I try to download something from cnet downloads or from google earth Shareaza 2.5.0 takes over to download the file. Is there a way to disable this?
Bringing P2P Together
https://shareaza.sourceforge.net/phpbb/
https://shareaza.sourceforge.net/phpbb/viewtopic.php?f=2&t=363