Launcher.LaunchFileAsync fails for opening a file extension associated with a desktop app

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Windows

application

WinRT

Win8

, +

I am trying using file association to open a desktop app from modern app. I followed all the steps correctly and am able to open the .try files with updater.exe through windows explorer. But when I try to do the same thing in my modern app programmatically, using

bool success = await Launcher.LaunchFileAsync(file);
I am getting the return value as false all the time. This works if I use DisplayApplicationPicker. What is going wrong here?