BBWIN Client running on Exchange server issues?

Anyone had problems running the BBWIN client on Windows running MS exchange? We have it installed and running on two different MS exchange servers (both running MS Exchange 2003, one on Win2K, the other Win2003) and for some reason the client hangs. If you try to stop the service, it stays in a "stopping" state and the only way to get it restarted is to cycle the machine. We are running BBWIN 0.9, but my windows guys are afraid to go to 0.11. Has anyone experienced this before? Will upgrading to 0.11 solve the issue?

Thanks,

Bruce

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