Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cannot see video on some websites

more options

I cannot view embedded YouTube videos on some websites. The video screen does not even appear.

I cannot view embedded YouTube videos on some websites. The video screen does not even appear.

All Replies (2)

more options

Are you using high speed internet or not ?? N if yes !!! Thn clear catch files and cookies form firefox

https://support.mozilla.org/en-US/kb/how-clear-firefox-cache

more options

And after cleaning you face same problem !! Than its flash player problem !! So up date it n enjoye..... :)