Before to ask your help I search on StackOverflow for a possible solution. Unfortunately, they do not work for me. I want to run an app in Rstudio. Most of the packages run for R>4.0 but BiocInstaller(that I need because is an old app) running R 3.5-3.99 ..... What I should do. If I install R >4 I have a problem with BiocInstaller. If I install R 3.5.3 I have a problem with other packages....please help I tried fresh installing, upgrades, downgrades, installing in different ways manually and not...please