When trying to link to MSIX installations, 3DCoat is unable to do so.
Msix hides its install location due to Sandboxing.
As an example of an affected program, Affinity Photo V2 is an MSIX installation.
For those MSIX installs, the user needs to write in the exe filename.in the given example of Affinity Photo it would be as follows;
AffinityPhoto2.exe