YouTube HTML5 Video Player doesn't work with version 57.0.1
Hello.
One laptop has version 57.0 and YouTube HTML5 Video Player works fine with it, the other laptop has version 57.0.1 and YouTube HTML5 Video Player doesn't work with it. Both are Windows 7, 64 bit computers so the operating system is the same, its the version of Firefox that's causing the issue.
I tried all sorts of things from clearing cookies to changing settings and I have researched it and found many are having this issue and what you are suggesting isn't working for them or I.
Is there a way i can move back to version 57.0 on the laptop with issues?
Are you working on an update so YouTube HTML5 Video Player will work with your software?
Take care.
Stephen Calderwood
선택된 해결법
I am glad to hear that your problem has been resolved. If you haven't already, ***please select the answer that solves the problem***. This will help other users with similar problems find the solution more easily. Thank you for contacting Mozilla Support.
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What do you see on the YouTube test page?
Do all boxes have a checkmark?
See also:
Hello.
Both laptops with Windows 7/64 Versions have Windows Media Play which is at current version.
The MSE & WebM VP9 is unchecked with a explanation point on the YouTube system.
Everything else is up today with constant Windows Updates.
Thanks
Please : https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer and https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles then https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings TEST....... If no issues then Extensions which need to be added back in 1 at a time and tested ..... Or it is your Profile : Make a new one and test ...: https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles
Please let us know if this solved your issue or if need further assistance.
Thanks for your support, it seems to be corrected. If anything happens I will get back to you.
선택된 해결법
I am glad to hear that your problem has been resolved. If you haven't already, ***please select the answer that solves the problem***. This will help other users with similar problems find the solution more easily. Thank you for contacting Mozilla Support.