And for a minute or two, I thought it was working. In my first tests in the PORTABLE Firefox browser I'm testing with, it was actually playing some YouTube videos, but then I found that not all YouTube videos apparently rely on Flash to play... apparently some do and some do not, and I found that most of them do require Flash to play. I had tested with some of my own videos that I uploaded to YouTube in the past in my first tests today and they played just fine, but then I started testing with some other Flash YouTube videos and they would not play and I got both the yellow bar at the top of my window telling me to download and install Flash as well as the red banner across the video player that told me I needed to install Flash.