NOD32 Preventing Outlook Access by Other Apps

We are using NOD32 in a corporate environment, and have found it is preventing our accounting application (Microsoft Navision) from creating emails in Outlook.

For example, Navision has a button on the vendor/customer cards that will cause Outlook to open a new blank email, already addressed to that customer's email address when clicked. When NOD32 is installed, you click the button, the Outlook process starts and then ends, without even opening the blank email. If I uninstall, NOD32, everything works fine. I have tried disabling EMON, but it doesn't seem to make a difference.

Has anyone else experienced this, with Navision, or other applications that programatically make calls to Outlook?? Any possible solutions?