When attempting to install GroupWise (server or client) or attempting to open the GroupWise Mail Client or attempting to do a migration nothing happens.
Application log shows "faulty module unknown"
Disable the 'Data Execution Prevention' feature in Windows (or enable only for 'essential Windows programs and services').
See Control Panel > System Properties > Advanced > Performance Settings > Data Execution Prevention.
For more information on 'Data Execution Prevention', please see the following Microsoft article titled "A detailed description of the Data Execution Prevention (DEP) feature in Windows XP Service Pack 2, Windows XP Tablet PC Edition 2005, and Windows Server 2003" at the following link: