Synopsis: setgroups: Invalid argument error at launch State-Changed-From-To: open-analyzed State-Changed-By: marc State-Changed-When: Fri Mar 13 10:47:11 PST 1998 State-Changed-Why: Are you sure that is the _exact_ error message you are getting?
What is your Group directive set to in your config file? Does that group exist? Try setting it to "nobody".
