MsDSP license problem

After a time machine restore PT 10.3.9 (os 10.9.5) McDSP Native V5 license not working anymore. (iLok 2). When trying to install again I get this message (after the fill in form, from MCDSP).
Some file is locked, but which one?
Anyone seeing this before?

iMac 3.4G - 8GB - inte Core i7.
( in my macbook all is working well )
Regards, Ben.

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MsDSP license problem