Had Success!!

When I connect my KN7000 to my desktop PC, which has more memory and faster CPU than the laptop, I can record in Audacity without any glitches. With Audacity you can do enhancements, like auto-gaining to 0dB, fade in/fade-out, mix of signals, etc.
And it's freeware:
http://audacity.sourceforge.net/

Regards, Fred