Error message about cars.cab 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 Cars.cab.

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

http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=6149

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.