500 server error app store

I've downloaded Lion this morning. now clicking on "install" I get a error message "500 server internal error".

any ideas? it happens with other apps update too.

iMac, Mac OS X (10.6.8)

Posted on Jul 21, 2011 12:43 PM

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9 replies

Jul 21, 2011 1:49 PM in response to gandraghetti

I think I sorted this out. My problem started with "your device or computer could not be verified" and morphed from there as I tweaked.


Try this at your own peril as ymmv. Some of this may not be necessary as this was an excercise in trail and error.


Delete the following from /Library/Preferences/SystemConfiguration


NetworkInterfaces.plist

com.apple.network.identification.plist

com.apple.airport.preferences.plist


This all has something to do with the AirPort config - so that all needs to be reset. Once these are deleted - reboot. The NetworkInterfaces plist will rebuild.


After boot - open network configuration and delete the AirPort interface from the Automatic profile. Then immediately add it back. (not sure why I had to do this - but it didn't work otherwise). Now reboot again.


After reboot - make sure the AirPort is turned on - you may need to give it some time to sort things out and find your networks. At this point things may be fixed.


Please don't do this unless you are comfortable jacking around with stuff that may make things worse.

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500 server error app store

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