XnView Software

You are my favorite person on the planet right now! Usually I have to clarify myself like five times before I get the answer - you made my day! Thank you!

XnView is behaving in a strange way that I believe is a setting I have wrong somewhere. Here is the current behavior and what I want it to do instead:

What's currently happening:

If I'm looking at folder of images in a file browser, and I double click on that image to open it, it opens in XnView ...