Have you checked if the correct MIDI output is chosen in EarMaster?

Tools - Program Settings - MIDI Devices

Not working!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Okey okey.... 1.2.3.4.5.6.7.8.9.10 Now I have counted to 10....

I have tried all the MIDI drivers in the midi-devise. I have tried to reinstall the program, but no lock.... NO SOUND!

I had it working for awhile but not anymore. When I restore my system to that date it works, but after I install ...