[VSRO] HOW TO DESABLE SOME AVATARS IN ITEM MALL ?

HOW TO DESABLE SOME AVATARS IN ITEM MALL ?
I heared that the thing that makes the item mall crashes is because the item mall is full of avatars..
if that is true..
please how to make it ?

UPDATE [dbo].[_RefObjCommon]
SET Service = 0
WHERE CodeName128 like '%AVATAR%'