Custom UI Runtime Error in McAfee E-mail Scan Add-in (when you open an existing or new email)

Technical Articles ID: KB71140
Last Modified: 6/11/2020

Environment

McAfee VirusScan Enterprise (VSE) 8.x

Microsoft Outlook 2010
Microsoft Outlook 2007

Problem

Outlook fails to start the VSE add-in for Outlook. The following error displays when you open a new or existing email:

Custom UI Runtime Error in McAfee email Scan Add-in
The call to GetCustomUI() for RibbonID "Microsoft.Outlook.Mail.Compose" failed.

Solution

Install Patch 1 or later for VirusScan Enterprise 8.8. The McAfee E-mail Scan Add-in has been fixed and the error no longer appears.

Our product software, upgrades, maintenance releases, and documentation are available on the Product Downloads site.

NOTE: You need a valid Grant Number for access. See KB56057 - How to download Enterprise product updates and documentation for more information about the Product Downloads site, and alternate locations for some products.

Workaround

Deselect the Show add-in user interface errors option in Outlook.

For instructions, see http://msdn.microsoft.com/en-us/library/bb608619(v=vs.90).aspx.

Affected Products

VirusScan Enterprise 8.8 (EOL)

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Knowledge Center

Custom UI Runtime Error in McAfee E-mail Scan Add-in (when you open an existing or new email)

Environment

Problem

Solution

Workaround

Affected Products

Languages:

Title

Title

Knowledge Center

Custom UI Runtime Error in McAfee E-mail Scan Add-in (when you open an existing or new email)

Environment

Problem

Solution

Workaround

Affected Products

Languages:

Choose your region

Title

Title