medfly, its cpanel based installer similar to fantastico, you can see softaculous installer button right to fantastico button within your control panel. If you need any assistance please contact our support team and we'll assist you.

buckmcgoo, could you please post more details what you are referring to?
"how to prevent anyone on the shared server your on from dumping files on your account too"
Does it sound like anyone on shared server can dump other user's files? Can you show see more me how you do it please :)
Please PM or post here.