Switch off Outlook security e-mail settings.
Outlook Security Manager videos:
Using Outlook Security Manager .NET in Visual Studio 2005
The video shows how to deal with the consequences of the Outlook E-mail Security Update. How to disable and enable Outlook Security settings and switch the security warning off and on when accessing protected Outlook objects. The video was captured on Visual Basic .NET 2005 with Outlook Security Manager .NET 1.5.
If the video does not play online properly, you can download the video to watch it offline (right click on the link and select "Save As...").