SElinux Installation task, i installed the things but getting error

@Inderpreet
I have installed the thing for SElinux but i don’t know why it is showing not installed even i am able to see the status disabled but getting this error " - required ‘SElinux’ packages are not installed on App Server 3"

@vishnu123sai

The main configuration file for SELinux is /etc/selinux/config.