Import For Device Problem

Hi all

Yesterday i was trying to create a device description for my Korg 01WPro and now synfire is crazy.

Before when i imported a midi file into a window library import i could listen the track (s) by selecting it and press play button but now no.

In the window library import now in the field Sounds import for device: appear

First row  -

second row  Driver IAC Bus IAC 1 in grey

Then i change it

Import For Device

First row         Internal GM Synth

Second row    QuickTime GM Synth

I select the track (S) of the midi file and it follows without sounding

Anyone can help?

Thanks

Regards