Hello!

Recently I ran into an issue when I go to preview programs with multiple windows, instead of showing previews of the program it just shows a list like this:
There might be an easy fix for this but couldn't really find anything on google related to the problem I'm having and hopefully someone here can help me c:
Sorry if this is the wrong thread to post in, just not really sure where I should have posted it. Please move it to the appropriate thread if this is the wrong place

Many thanks in advance!