Synapse link game to Chroma profile not working

Hi,
Please help me with the following issue.
I am using a Blackwidow Chroma V2 and wanted to configure a specific Chroma profile for the game Player Unknown's Battleground. Unfortunately the "pre scanned" PUBG executable on which synapse is pointing, is the wrong one. So i tried to add the correct executable "tslgame.exe" to my profile. Unfortunately that isn't working too.

Repro-Steps:
Tab "Profiles" --> "Linked Games" clicking the "+" --> clicking "ADD" button --> clicking "BROWSE" button --> navigating via windows file explorer to the executeable "tslgame.exe" --> click "open" in windows file explorer --> Windows explorer window cloeses as expected --> ERROR: "tslgame.exe" is not added into the list of "GAMES AND PROGRAMS FOUND"

System Info:
Windows 10 - 1809
Synapse 3.3.1216.122121

Please feel free to ask any question if something is not clear.