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system extension cannot be used AppleUSBEthernetHost.kext

Since iTunes update to 11.4 i get this error when plugging in my iPhone.

Sync in iTunes doesn´t work.

Is there someone else with this problem?

Greetz, martin

MacBook Pro, OS X Mavericks (10.9.4)

Posted on Sep 12, 2014 12:02 PM

Reply
1 reply

Sep 14, 2014 1:31 PM in response to martin.g.nightingale

Hi martin.g.nightingale,


Welcome to Apple Support Communities.


It sounds like iTunes is quitting unexpectedly upon launch since updating it on your Mac. The article link below provides some general iTunes installation troubleshooting tips that will resolve most issues like this.


Troubleshooting iTunes installation on Mac OS X

http://support.apple.com/kb/HT2311


I hope this helps.

-Jason

system extension cannot be used AppleUSBEthernetHost.kext

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