RStudio won't open with compiled R 3.5.0 on Linux Mint 18.3

[prosoitos]

Hi Larry,

This might help you understand why:

Updating R 3.5 on LinuxMint 18.3 (Ubuntu Xenial): how?

This is the first time R didn't update to a newer version. Checked sources.list / additional-repositories.list but could not find any errors or problems. deb http://cran.uni-muenster.de/bin/linux/ubuntu xenial/ What do I need to do/change? Distro: Linux Mint 18.3 Sylvia Kernel: 4.15.0-15-generic x86_64 Desktop: Cinnamon 3.6.7 (Gtk 3.18.9) LinuxMint 18.3 is based mainly on Ubuntu 16.04 Xenial LTS