error message loading reason 4 on me mac. but i run windows...

[DJnuukkinkold]

when i install reason 4 i get this error messge "rex installation failed because access to a file or directory was denied while installing the rex dll in the system directory"

gosh dang i just wanna get back to producing... i know one of you oot there will have the solution... soon i hope.:<

[M@DM@X]

I kind of didn't get what OS you're tying to install it on, but if it's a mac you have to have admin rights I guess.