I've now reinstalled everything under WinXP and EarMaster is still fine.

WinXP is quite stable, but eventually things can get corrupted, requiring the system to be rebuilt. The image I was running in the VM had not been rebuilt in several years, so it was probably overdue.

Sorry I couldn't give ...

I went back and created a new XP Pro SP2 virtual machine on Fusion from scratch and EarMaster starts and appears to run fine. I'll go through the process of applying Windows updates, installing a virus checker, etc. and see if I can identify what is causing the problem.

Just let me know and I'll ...

I noted some other posts where it was working under Fusion, so there may be some other issue. Do you have a knowledge base of Win XP problems?

I understood that the Mac version wasn't coming until October, so the August date was good news. If you need a beta tester I'd be willing to help.

I downloaded the trial version, build 612P. When I try to start it I get the splash screen with the version info, but nothing else happens, and task manager shows the two copies of "EarMaster" under applications, both shown as "Not Responding."

I tried uninstalling and reinstalling with the same ...