When I press F4 / space bar, BIAB seems to regenerate and when the first drum stick click is heard, it will hang my system all the time (Win 7, Home 64bit).

When I was building up the chords, it will hang once a while, and continue to run after I kill the process. Eventually, it will hang all the time, unless I remove all the 'pushes' and full 'stops'.

Can this problem be reproduced ?

The Error4.SGU file can be downloaded here (I've cut out other none related chords) :

http://mediafire.com/?x835qxx9kv3dgla

Thanks.