Could you try downloading one of these magnetmix files, so I can see if it is your ISP shaping your connection...
+ MagnetMix.com +: The Source for Good Content
Also I don't know if this will improve your speed issue but your Java is very outdated...
Uninstalling your Java from the add/remove programs and then re-install the JRE 5.11 offline version....
Archive: Download Java 2 Platform Standard Edition (J2SE) 5.0 Update 11