Hi again... finally after research and serendepty, I solved the question. I found a help article on the web for other application related to similar symptoms and I tried to configure the default sa...
Sorry for the expression and my language, my apologies =). Tried unckeck the exclusive section at the properties of the sound card, and tried to chech/uncheck the microphone acces option on Win10...
I started to have this CRAPPY problem with windows 10 and Finale 26 once I've changed my Sound Interface to a fancy Roland Rubix 44, that works very fine with all the other multimedia applications....