Sunday, March 9, 2014

After installing Symantec Endpoint Protection, Microsoft Outlook displays an add-in error dialog


Following the installation of the Symantec Endpoint Protection (SEP) client, launching Outlook results in an error dialog: "The Add-in 'Symantec Antivirus Outlook Protection' (C:\Program Files\Common Files\Symantec Shared\vpmsece.dll) cannot be loaded and has been disabled by Outlook.  Please contact the add-in manufacturer for an update.  If no update is available, please uninstall the add-in." How can this be resolved?


The optional Outlook plug-in was not uninstalled correctly during the SEP installation process, potentially due to install-time file locking issues.


For greatest compatibility, always be sure that the most recent release of SEP is being installed.  Also ensure that a supported release of Outlook is in use.
At least two potential solutions for this problem exist.

(1) Delete the file C:\Documents and Settings\%username%\Local Settings\Application Data\Microsoft\Outlook\extend.dat and allow the file to be re-created when Outlook is started.

(2) Disable the Symantec AntiVirus Outlook Protection component from within Outlook:
    1. In Outlook click Tools > Trust Center...
    2. Click Add-ins
    3. Choose Exchange Client Extensions from the Manage: drop down menu and click Go...
    4. Uncheck Symantec AntiVirus Outlook Protection
    5. Click OK.
Additional information can be found in Outlook attachments are unavailable with the AntiVirus Outlo

No comments:

Post a Comment