Credit Enquiry; Centrix; Unhandled exception "Could not load type 'System.ServiceModel.HttpBindingBase'"

Performing a Centrix enquiry may cause the following unhandled exception:

Could not load type 'System.ServiceModel.HttpBindingBase' from assembly 'System.ServiceModel, Version=4.0.0.0,Culture=neutral,PublicKeyToken=b77a5c561934e089'.

This is caused by a version of Internet Explorer being installed (e.g., some revisions of version 8) that conflicts with the .NET framework. Upgrading Internet Explorer should resolve the issue.