I'm only given the option for Media Features, Windows Media Player doesn't appear in the list. The feature was enabled. I disabled it, hit okay, and restarted my computer. Then I enabled it, hit okay and restarted again. LB still shows a black box when I click on a video's play button.
Here is the list of windows features on my computer (Win 11 pro 24H2, build 26100.3775):