I'm not sure about your search results unless your ISP provider has decided to filter you using something like this:
http://www.sandvine.com/products/p2p_element.asp
But lack of downlds 'might' be related to this:
Revert Popups to Default
BTW Rogers in Canada, Cox & Insight in USA are known to filter p2p users once they detect you sharing large amounts & using up too much of their bandwidth.