I'm running XP, I've gone back and forth many times with both programs open without a glitch using MME. ASIO is different, one program at a time there but you still can use ASIO for PT and MME for Biab.

Bob


Biab/RB latest build, Win 11 Pro, Ryzen 5 5600 G, 512 Gig SSD, 16 Gigs Ram, Steinberg UR22 MkII, Roland Sonic Cell, Kurzweil PC3, Hammond SK1, Korg PA3XPro, Garritan JABB, Hypercanvas, Sampletank 3, more.