Moviefactory 4 upsets Videostudio 8

[djw]

I use Videostudio 8 successfully, but when I install Moviefactory 4, I am unable to import MP3 music files (they worked previously) all I can hear is a high pitch twittering.

I use
2600 AMD
Nvidia graphics
Abit Motherboard
onboard sound
512 meg memory

I have also posted this in Moviefactory section