I can't watch any video

Every time I click on an article and attempt to watch the video, I get this message :

"This video is either unavailable or not supported in this browser

Error Code: MEDIA_ERR_SRC_NOT_SUPPORTED

Technical details :

The media could not be loaded, either because the server or network failed or because the format is not supported."

It really annoys me because I watched videos on this site just fine for several years. What is the problem? Has it anything to do with ad blockers?

Doesn't work for me in Firefox either. It does work in Chrome.

I have no idea how Gamespot keeps breaking its video functionality when every other site in the world works fine, but this is not the first time.

Ok I found a way. I stopped one of my anti-ads plugins. Adguard. Now the videos work, but I can't avoid the annoying 30 seconds ads.