Error message about during installation

When installing SCIA Engineer 2011 from the DVD, the program can give the following error message:

This error message above is in Dutch, in English it means there is a problem with the digital signature of


This problem can be solved by installing the following link first:

Choose your preferred language and click on "Continue".


After this installation, just run the installation DVD of SCIA Engineer 2011 again and the installation will finish without any problem.