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9.28. Attach Plus crashes when Shoretel Outlook plugin is installed

Background

With the Shoretel Outlook plugin installed, the user receives this error message when attempting to attach a file to an email using Outlook:

 

The Application Event log will report an issue with ABSTVM32.DLL:

 

In previous encounters, this error has been very intermittent.   The error message may also reference an Internet Explorer addin (ABSTVM32.DLL), but the issue resides in Outlook.

Cause

There is a known issue with using ShoreTel and their Outlook integration (MAPI).   This error manifests itself when Attach Plus attempts to interact with Outlook.

Resolution

Uninstall or disable the Shoretel Outlook plugin.