You are basically removing the old kext and then rerunning the iTunes installer which will then properly install the kext.
http://blog.iphoting.com/blog/2012/09/04/fixing-broken-iphone-usb-tethering-on-o s-x/ <http://blog.iphoting.com/blog/2012/09/04/fixing-broken-iphone-usb-tethering-on-os-x/> To fix the faulty AppleUSBEthernetHost.kext, it needs to be reinstalled from the iTunes package. Follow the steps below: 1. Unplug your iPhone from the computer. 2. Download the iTunes installer <http://www.apple.com/itunes/download/>. 3. Remove the old kernel extension: $ sudo rm -Rf /System/Library/Extensions/AppleUSBEthernetHost.kext 4. Run the iTunes installer and let it finish. 5. Load the updated kernel extension: $ sudo kextload /System/Library/Extensions/AppleUSBEthernetHost.kext On Sun, Sep 14, 2014 at 5:05 PM, Suzanne H Blake <[email protected]> wrote: > Dear Ones, > I just installed the iTunes update. When the installation was complete, > the message below appeared. I don't know whether it's part of the new > iTunes, or something I already had, or what program it's part of. Whom > should I contact? > Thank you, Suzanne Blake > ------------------------------------------------------------------ > The system extension > "//System/Library/Extensions/AppleUSBEthernetHost.kext" was installed > improperly and cannot be used. Please try reinstalling it, or contact the > product's vendor for an update. > > _______________________________________________ > MacGroup mailing list > [email protected] > http://www.math.louisville.edu/mailman/listinfo/macgroup >
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