Videos not working in Edge Browser on http://store.steampowered.com

Question

Hi,This is driving me mad but videos on the steam store (Welcome to Steam) do not play in the Edge browser.Flash player is on in Edge advance settings, the test page here works Adobe Flash Player issues with Windows 10 (Microsoft Edge)​, I have yet to find another website in Edge that has a problem playing flash videos, but the steam store doesn't.It is just a black background where video should be, no buttons and if you right click on the video you get select all or print as your options like the video isn't there.However the Steam Store works fine in every other browser including Firefox and IE.I've tried reinstalling Edge, disabled hardware acceleration for Flash player in Edge and in internet options, reinstalled latest video drivers....I'm out of ideas.says:Your Flash Version23.0.0.207been through here Flash Player video playback issues and both videos work.Anyone able to help? I quite like Edge as a browser but use Steam a lot so this is killing me.

jeromiec83223024 · Answer

If you look in the console of the F12 developer tools in Edge, it's explicitly blocking the video player because Edge interprets Steam's published Content Security Policy (CSP) as disallowing that content. Edge enforces the restriction and refuses to load it. Interestingly, Chrome doesn't have a problem with it. I assume it's an Edge bug, but they're definitely preventing the content from playing.

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