C6 crash with Variaudio on Win7

I’ve a small project, 10 audio tracks.
I bounced just the parts I want to tune, to not overload Variaudio.
Then on one part (with 48 seconds) I press the analyse Variaudio and it crashed.

Open C6 again trying the same, and crash.
Open it again. Bounce that problematic part again with a little more empty space at the of it.
And tried Variaudio analyse again, and puff… Crash…