VERIFIED SOLUTION i

How to get the ECW Compressor from ER Mapper to run on Mapinfo Pro v15.2.4

Products affected: MapInfo Pro™
If users have a requirement to use the ECW Compressor from ER Mapper which was once included on the MapInfo installation disk at some point in the past. 

The ECW Compressor software is not one of the available utilities on MapInfo Pro 15.2.4. 

This is very old installer that is no longer shipped with version 15.2, although users can still install it by using a Pre v15.2 installation disk.
UPDATED:  November 24, 2017