> > I have never seen this before. > > I get a window that comes up, telling me that a [specific] system > extension was installed improperly and cannot be used. > > It is: AppleUSBCDCACMdata.kext > > Does anyone have a clue what this is, and why I am being told that it > was not installed properly? > > More importantly, how do I install it properly? > > regards, Trevor > > Reinstall the latest system version update you installed. Its part of the Mac OS, USB driver. Use the Combo update for your OS 10.2.8 or 10.3.8. John -- One OS to rule them all, One OS to find them. One OS to bring them all and in anti-competitive practices bind them. In the land of M$ where the Shadow lies.