Rather than going on a possible fruitless snipe hunt with BB64, keep on using BB32 with Jbridge then. You're not losing any functionality at all, both versions run the same. The only users who report that the 64 bit version is better for them are those that are running really large VST software libraries that for whatever reason Jbridge isn't great for.

If you're not at that level as a power user you're not giving up a thing, just stay with 32 bit.

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.