So. After updating to 10.4.8 from 10.4.7 the .DMG files wont open anymore. Like none of the loaded (yes,os x based, yes working files, yes...) dmg:s just wont open. Tried to load the stuffit,but as that is a dmg file too..no help. Nothing happens when i drag the files straight to disk image opener either. If i click on a dmg file, nothing happens for few minutes, then a "Warning" box appears with a message : "The following disk images failed to mount" image - reason stuffitexpander11.0.1 device not configured missing sync device not configured . Anyone?