Well
spstn, I suggest that you ignore
Harbynger's paranoid ramblings above
and you visit the site for
FastTrack Accelerator posted by
napho previously. Download the latest version (KLite uses 1.1.2, which is at least 2 versions behind) & enable the option to 'clear uploaded and erroneous.' It'll fix your problem for sure! This is an issue with Kazaa and therefore KazaaLite BTW, not FTA. Read the forums on that site for more details.
The problem is that if your upload traffic view is filled with aborts/completed etc. (which is common if you're an always-on uploader) Kazaa slows down your pc & downloads. It has nothing to do with being a supernode. The latest releases of FTA were designed to overcome this limitation. This has been discussed in the forums as I mentioned above.
This should be helpful, I hope.