install mod_ruid2 causes warning

I got this Message before Activating mod_ruid2 can I proceed without problems? The following conflicts are installed on this machine. They will be removed as part of this package selection:mod_mpm_workermod_cgidmod_suphpmod_suexec The following requirements are not installed on this machine. They will be added as part of this package selection:mod_mpm_preforkmod_cgimod_ruid2 Do you want to proceed with this selection?