VERIFIED SOLUTION i

MailStream Plus installing 8.3.2 abended, and gets error -5001 and refers to setup.cpp

Product affected: MailStream Plus™ 
Operating System: Windows

Issue

The MailStream Plus™ installation abended with the following screen (in two parts)

User-added image

Cause

The user had not unzipped all of the files in the instllation .zip that he downloaded from the web site.  He had only unzipped the 'setup.exe' file

Resolution

UPDATED: March 14, 2019
Unzip all of the files from the .zip file before beginning the installation.