I experienced a need to update Rcpp when I attempted to install the readxlsb R package, which promised to enable me to read .xlsb files in R.
What happened next has been forgotten: Did the attempted update of Rcpp appear to succeed or fail? I did record that my attempted installation of readxlsb still failed and I now experienced an unfamiliar error when I opened and closed R Studio:
“The procedure entry point EXTPTR_PTR could not be located in the dynamic link library”
Read on to see how Rick solved this problem.