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You have to go to C:\Users\“name“\AppData\Local\VirtualStore

open a folder and write %appdata% in the line on the top 

you should come out in „C:\Users\dgeiger\AppData\Roaming“ please go to appdata in the top line where you insert %appdata%


then search the local folder -> virtualStore -> programmfiles

Please delete all folders named Crmaddon.


After this steps the license should work.