Specific information on the problem resulting from installing the KB2293428 patch is outlined in a subsequent Knowledge Base article referenced as KB2445403. A problem has been acknowledged by Microsoft with this patch and has indicated it affects multiple vendors, including PKWARE.

Further, some customers may experience messages sent without encryption.Microsoft has documented information about this Outlook 2003 security issue in the Knowledge Base article found here: http: / / / kb / 2293428. PKWARE has identified a compatibility issue that may affect customers using SecureZIP v8.0 and newer that have also installed a Microsoft Security Patch for Outlook 2003 (KB2293428).Customers installing a Microsoft security patch for an Outlook 2003 issue that is described in Microsoft Security Bulletin MS10-064 may experience problems automatically sending encrypted messages using SecureZIPs Outlook integration feature. Please reference the Microsoft Knowledge Base article OL2000: Administrator Information About the Outlook E-mail Security Update ( http: / / / ?kbid=263297 ) for information on administering your Outlook security settings. To establish SecureZIP as a trusted application, you must configure the PKWARE Outlook integration DLL PKOutAdd.DLL within your Outlook Security Settings folder.Microsoft provides detailed instructions for establishing the Outlook Security Settings folder. You can configure your system to trust applications you use frequently to avoid repeatedly seeing this dialog for those applications authorized to run on your machine.This dialog may appear when using SecureZIP within Outlook to encrypt and send message attachments if you have not configured SecureZIP as a trusted application. You must confirm this access is allowed in order for the application to proceed. It can also appear on versions of Outlook earlier than 2000 and on Windows 98 if you have installed the Outlook E-mail Security Update.When this dialog appears, it is to inform you that an application program is trying to access your address book. It is reported most commonly on Outlook 2002 / XP with SP3. This dialog may appear on systems running Outlook 2003, Outlook 2002 and Outlook 2000 with SP2. Microsoft has implemented this protection to prevent unauthorized access to your address book.

This dialog is automatically displayed by Outlook in order to better protect systems from the spread of e-mail-bourne viruses.

You will see this message from a number of applications you may run if you have not configured third party application DLL's as trusted.

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