sometimes pulsarmixer creates problems,
i solved by loading it alone once and then load the project again.
you can see in the upper part of the screen wich module is loading when pulsar hangs...
hope it helps...
Thank you alfonso. I find out what's wrong. I updated the pulsar II 3.01 with the Pro Pack. My Pulsar button on the desktop was not updated. I deleted the old button and started Pulsar from the c:/Pulsar 3.01/App/bin/pulsar.exe
Now it works.