Checked my registry there is no kazza bundleware I downloaded Nuker And Etrust , Nuker showed the results you pasted above which I know is false because I searched my registry before and after I did the scan. I then read the reviews on them PC magazine gives Etrust a 1 out of 5 and is not recommended by them it has allot of problems. I could only find one review for Nuker it was from 2spyware.com they gave it a 1 1/2 out of 5 not recommended. I then scanned with Microsoft anti spyware found nothing , Spyware Doctor found nothing , and these are 2 of the highest rated spyware detectors on the market both 5 out of 5 , I also scanned with webroot spysweeper and nothing. Also scanned wit xoftspy it did detect Limewire as Adware I was actually impressed with the xoftspy. It detected the adware in the LimeWire basic installer that is in my download file and it also detected the BearShare installer neither of which are installed on my machine.The Pop up in basic is adware so technically it was right. Anyway I wouldn't worry about the Kazza thing it is a false positive from your spyware detectors.

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A little common sense goes a long way

Later Grandpa