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I am unable to play any videos on youtube by clicking them

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When I am using Youtube, I am unable to play any videos by clicking on the thumbnail. I can play them by right clicking and selecting "open in new tab", so firefox definately recognises the thumbnail as a valid link.

I am also unable to click on the sidebar options, like subscriptions, trending etc.

Youtube is the only website I am having this issue on, and it works on chrome and on edge, just firefox giving me this problem.

When I am using Youtube, I am unable to play any videos by clicking on the thumbnail. I can play them by right clicking and selecting "open in new tab", so firefox definately recognises the thumbnail as a valid link. I am also unable to click on the sidebar options, like subscriptions, trending etc. Youtube is the only website I am having this issue on, and it works on chrome and on edge, just firefox giving me this problem.

All Replies (5)

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Instead of going through a refresh and setting everything up again : Please give this a try : uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files and C:\Program Files(x86) Then restart system. Then run Windows Disk Cleanup. (Note: This should be Pinned and run Weekly, If never done below expect 10's of gig's) Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved. But you should make a back up before you do :

Reinstall with Current Release Firefox 58.0.2 with a Full Version Installer

Please let us know if this solved your issue or if need further assistance.

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Could you also Please check this url and see what it tells you : https://www.youtube.com/html5/

Please let us know if this solved your issue or if need further assistance.

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So I did everything you said, and at first it fixed the issue, but when I restored my Firefox profile, it went back to doing the same thing.

So I figure it probably something to do with my profile, but is there an easy way of figuring out what in my profile is doing this?

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Ok, never mind my previous post.

I figured out whats going on. I freshly installed Firefox and the second I sign in to Youtube, even on a brand new profile, the issue starts. Not signed in I can use Youtube fine. Being logged in seems to be the main problem.

And this is not exclusive to Firefox, I just did some checking and this happens on all my browsers.

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lordgaspode said

And this is not exclusive to Firefox, I just did some checking and this happens on all my browsers.

That makes no sense I have FF58.0.2x64 and all other Browsers load and play youtube just fine. What it sounds like is you got a over active A/V or Firewall that is actively blocking sites is what is going on.