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Illegal Operation in Plug-in

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2012-07-17
2013-04-15
  • Otmar Schaal
    Otmar Schaal
    2012-07-17

    Hi,
    I am running eXe-learningplus. There is the following problem.
    I want to import a GeoGebra App. I did all the steps described in the manual.
    The dynamic GeoGebra-Site is not shown after finished (green hook).
    But I always get an error-box:


    Illegal Operation in Plug-in:
    Text: The plugin performed an illegal operation. You are strongly advised to restart Firefox.


    This Message repeats at any changes or even other inserts.
    I use Firefox13, the newest Java and the newest GeoGebra 4.

    I would be very thankfull for help.

    Regards
    Otmar Schaal