The title says it all. The "Process" plugins don't show up in plugin listing so you can not enable/disable/configure them.

Easy to fix, patch posted on SF.
http://sourceforge.net/tracker/index.php?func=detail&aid=1032153&group_id=107397&atid=647927

Original thread in forums:
http://nolanparty.com/mediaportal.sourceforge.net/phpBB2/viewtopic.php?p=7636#7636