I wrote to Flaming Pear and got a response asking for more and detailed information. I sent them the information including screen shots from what it looked like when it locked up.
I've not heard back from them since. So I wondered what others had experienced. That's why I posted the question. See the response from Lloyd Burchill below. They just have never followed up since I sent them the detailed descriptions.
Thanks for the bug report. I can probably fix the problem if I have
>It is only when some of their features are called upon that they flake out.
What version of the software are you using? The version umber is part
of the filter's filename.