I'm sure it isn't Comcast since I tried an older version of Limewire on an old laptop of mine and it still works fine. Since this new version worked for a while, I suspect it may have something to do with JAVA (my JAVA updated itself to a new version recently, Version 1.5.0 (build 1.5.0_04-b05))

Again, it isn't Comcast since older versions of your software with older versions of JAVA work fine.

Thanks.