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"This application failed to start because addonSMEXSetupBackend.dll was not found" appears after a failed Scanmail for Exchange (SMEX) 10.2 SP2 installation

    • Updated:
    • 23 Aug 2016
    • Product/Version:
    • ScanMail for Exchange 10.2
    • Platform:
    • Windows 2003 Enterprise
Summary

Installing SMEX 10.2 Service Pack 2 fails and you receive the following error message:

This application failed to start because addonSMEXSetupBackend.dll was not found. Re-installing the application may fix the problem

AddonSMEXSetupBackend.dll not found error

Details
Public

The missing addonSMEXSetupBackend.dll file was due to a corrupted copy of SP2 installer.

Corrupted SMEX SP2 installer

To resolve the issue:

  1. Download a new copy of the SP2 installer from the Trend Micro Download Center.
  2. Extract and verify that files are complete. Refer to the files shown in the image below.

    Complete SMEX SP2 installer

  3. Run Setup.exe and the install wizard should guide you with the installation.

    SMEX SP2 installation wizard

Premium
Internal
Rating:
Category:
Troubleshoot
Solution Id:
1098918
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