New WL 7 Install

Month’s ago I was using WL7 on my mac under snow leopard. I am sure that I was using WL with 44.1khz files and on occasion I would have to close and open WL when I changed to a file with a different sample rate. I saw that message before closing and opening and then the problem was solved. But I did entire 44.1 mixes using the Blackmagic.
However, now I have gone back to test this on my system and I get the same situation as described above.
I have a Blackmagic Intensity Pro card installed, that I use for all of my audio output on the mac. Both 44.1 and 48.
However it doesn’t work with WL7.
This is not only a problem with WL but Soundtrack Pro gives the same warning message when a 44.1 project is open.
I do play 44.1 files using Quicktime player and i-Tunes. The sound does come out of the Blackmagic card.