Resolve installation error "SETUP is not a valid Pocket PC application" on Confirm Mobile

Products affected:  Confirm Mobile™
Product feature: Installation / Upgrade
 

Issue

You are performing a Confirm Mobile™ installation and receive the error "SETUP is not a valid Pocket PC application".

Cause

It is not possible to install Confirm Mobile (for Windows mobile) on a device running Windows Mobile 6.5. Each time an attempt is made to run the setup program the error message:

"SETUP is not a valid Pocket PC application."

is returned.

Resolution

UPDATED: August 24, 2017
Do not try to run setup.exe on the device itself. Instead connect it to a PC via Active Sync and run the setup.exe from there.