There are some changes in the processing in the last version of PrPro as they've been re-writing the code. Some effects are having spots of trouble it seems. And it can be a bit uneven. Most days my RG effects are fine, some days they stutter a bit. Rather odd.
Maxon (new owners of RG) is trying to sort things, so yes, let them know there's a problem. That's helpful to them for sorting out why/where the effects blurp.
My RG application manager stopped accepting my log-on last week, it was a bit of a pain. Took a couple days dealing with Maxon help before we finally got the RG app manager uninstalled, the Maxon manager installed, and getting that to both accept my log-on and see my effects.