I've installed ffmpegX but im instructed to install additional components. Once i locate them on my computer and hit the install button i receive this message. Whats going on? How can I get this working.

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WARNING: Improper use of the sudo command could lead to data loss
or the deletion of important system files. Please double-check your
typing when using sudo. Type "man sudo" for more information.

To proceed, enter your password, or type Ctrl-C to abort.

Password: