Check out the links & links to links here: http://www.gnutellaforums.com/showth...threadid=34114
This will give you an idea about how to continue a file safely without needing to Resume it. Just reselect to downld. It will normally refresh the request without unnecessary effort for you or the G.net. Unless they've gone off-line or become busy or the connection suddenly seems a distant strength, it should work fine.