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To resolve this issue:

  1. Go to the appropriate directory:
    • For SMEX: ..\SMEX\Debug folder
    • For WFBS MSA: C:\Program Files\Trend Micro\Messaging Security Agent\Debug folder.
  2. Search for the SMEX MSI product ID by looking for the SMEX_MsiSetup-*******.ini file.

    The MSI Product ID is the alphanumeric number portion of the SMEX_MsiSetup-*******.ini file (SMEX_MsiSetup-<MSI_Product_ID>.ini).

    Example: The MSI Product ID in SMEX_MsiSetup-{9CCFC942-0DA3-44DF-8D61-66FD17A773EC}.ini is 9CCFC942-0DA3-44DF-8D61-66FD17A773EC.

     
    The MSI Product ID is different for each environment.
  3. Open the Registry Editor.
     
    Always back up the whole registry before making any modifications. Incorrect changes to the registry can cause serious system problems.
  4. Look for the MSI product id in the whole registry and then delete all of them.
  5. Close the Registry Editor.
  6. Perform another installation.
Should the issue continue to happen, perform manual uninstallation of the failed installation:
  1. Ensure that the correct account privileges is being used in the Administrator's account before doing the uninstallation.
  2. Uninstall ScanMail for Exchange.
  3. Once the SMEX software is removed, restart the server and then reinstall SMEX software.
If issue still persists, contact Trend Micro Technical Support.