Activate Error: DataContractSerializer config section under System.Runtime.Serialization section group could not be loaded.  Verify that machine.config is correctly set up.

Published: 2010-02-26


Last Updated: 2017-01-25


Applies To




When you open Guard1 Plus or EasyTour for the first time and attempt to enter your Support Code, or when you launch the Activate Software Wizard, you receive the following error:



This may be preceded by:




The Microsoft .NET Framework installation is corrupt. The .NET Framework is required by the Activate Software Wizard.



  1. Uninstall Microsoft .NET Framework versions 2.0, 3.0 and 3.5 via Add or Remove Programs or Programs and Features. NOTE: Your PC may not have all three versions installed.
  2. Uninstall Guard1 Plus or EasyTour.
  3. Restart the PC.
  4. Reinstall Guard1 Plus or EasyTour. This will reinstall .NET 3.5 SP1.
  5. Run Windows Update to obtain the latest updates for .NET 3.5 SP1.


More Information

Refer to Microsoft KB article 923100 for information on uninstalling and reinstalling .NET Framework components and links to download all .NET Framework versions.
















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