Thanks for your comments

Apparently, my friend can use the Panasonic Recorder program OK but has a problem with Song Manager. This would suggest that the USB drivers are compatible with Vista. Also, Derek's reply would tend to confirm this. So maybe the problem lies within the Song Manager program..........

Has anyone managed to use Song Manager with Vista?
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Willum

After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)