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Solution:Check your computer according to the following list of possible reasons, in the end of the list there is a table with recommendations for each case.
Note that you will need the help of your system administrator or other IT person to check hardwares and software in your IT-infrastructure.
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Below is an example of an error message that a program may generate (License not found. Software protection key or acquired software license not found ; Error linking program license to the computer; Software licensing error) :
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