[cionfs]

If I uninstall this product I've a Database Error message on my forum.

Edit:

This error

Database error in vBulletin 3.8.4:

Invalid SQL:

				SELECT forum.forumid, lastpost, lastposter, lastthread, lastthreadid, lasticonid, threadcount, replycount, lastpostid, lastprefixid, lastposter_displaygroupid
					
				FROM forum AS forum;

MySQL Error   : Unknown column 'lastposter_displaygroupid' in 'field list'
Error Number  : 1054
Request Date  : Thursday, October 1st 2009 @ 01:49:09 PM
Error Date    : Thursday, October 1st 2009 @ 01:49:10 PM
Script        : http://www.mydomain.ext
Referrer      : http://www.mydomain.ext
IP Address    : XXX.XXX.XXX.XXX
Username      : br3
Classname     : vB_Database
MySQL Version : 5.0.82sp1-log

Solved.

Go to PhpMyAdmin>SQL and write:

ALTER TABLE forum ADD COLUMN lastposter_displaygroupid smallint(5);