Apple Configurator error on launch "Please reinstall iTunes (Error -42110)"

I'm running OS X 10.8.5 and iTunes 11.1.1
I had Apple Configurator 1.4 working for a while, but one day opened it up and it's coming up with this same error:
"Please reinstall iTunes (Error: -42110)"
I've deleted iTunes.app from the the Applications folder, moved AirTrafficHost.framework and MobileDevice.framework from the /System/Library/PrivateFrameworks/ as described here https://discussions.apple.com/thread/3888313?tstart=0
then reinstalled iTunes and I get the same error message!
I have also tried deleting Apple Configurator.app and the above, and after reinstalling both it still doesn't work
Is it possible to get an iTunes uninstaller app that removes all the other files iTunes installs so I can reinstall?
Any help appreciated

Solved it! Kind of...
This was directly related to me authorising a machine in iTunes. I followed this guide and deleted the SC Info folder here /Users/Shared/SC Info/
relaunched Apple Configurator and it worked!
The problem I'm still having is that I'm trying to pre-install free apps on some iOS devices using Apple configurator. Every time I try this is fails on the app installation stage of installation with the error message 'Unable to authorize apps'.
Googling this error message tells me to Authorize the machine in iTunes to the Apple ID that I originally got the apps from, but as soon as I do this, Apple Configurator stops working with the above message!
Vicious circle!

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