Cannot upgrade some Marshal products in rare cases

This article applies to:

• Trustwave MailMarshal (SEG)
• MailMarshal SPE
• WebMarshal

Symptoms:

• Unable to upgrade from an earlier version

Causes:

• One cause of this problem is that the Installshield installation package is corrupt or missing.

Resolution:

• Before upgrading re-run the installation package of your current version to install the missing information. This solution will not affect files that have been modified or added.