I am running Pro 2.3.3, arcgisbinding 188.8.131.52 and R-3.5.3 on a Windows 10 machine. I've followed the ENFA Tutorial and its instructions to enable arcgisbinding on Pro. On the R Studio side, initiating the library (arcgisbinding) works, but the check_product fails. I've reinstalled the arcgisbinding package in R with no effect. There have been previous versions of R, Pro and the bridge on this machine (the bridge worked before this). There are no specific R-related variables among the environmental variables. Are the other settings gumming things up?