if the speedtest is jumping all over the place do the TCP optimizer and then test in Internet Explorer
---------- Post added at 23:30 ---------- Previous post was at 23:28 ----------
download and run this >
www.speedguide.net/files/TCPOptimizer.exe < move the marker up top all the way too 100+ then above apply changes at the bottom click on optimal then tick the modify all network adapters box then apply changes > restart > open IE and test speedtest.net