John, thanks for your input (and humor!) on so many threads. If it's not the exact answer, it usually leads to the answer!

As a relative "newbie" to BIAB & RB, I'm sure there are a lot of folks who are just not sure yet, as to how these programs are "supposed" to act. As a veteran, you probably wonder..... hmm, what's going on here.... is it a newbie problem, or is it something more, and it's often hard to separate it all out. The key on this one was the Stream Size error, which has been noted by others going back several years, and only on RB. What caused it??? Don't know, but the registry edit fixed it.


Jerry
2019 BiaB Megapack (634), RB 2019 (Build 4)
Reaper 5.983 x64, Audient id14 USB interface, Voicemeeter Potato 3.0.0.8, Nektar LX49+, Roland E20
i7-6700K Skylake desktop, 64bit Win10 Pro(1903), 32GB ram, 512GB system SSD + 2TB data SSD