Video Background Play Fix by JanH

4.5 Stars out of 5

1,050

107

109

1,345 reviews

Rated 5 out of 5
by Firefox user 14956360, 6 years ago
...::: THANK YOU!!! :::... Works for Android 8. PS. If you cannot download this addon upgrade your Firefox to tje newest version.
Rated 5 out of 5
by Firefox user 14951386, 6 years ago
Miy bueno
Rated 4 out of 5
by Firefox user 14806805, 6 years ago
Rated 5 out of 5
by Firefox user 14939875, 6 years ago
Rated 5 out of 5
by Firefox user 14939870, 6 years ago
Rated 5 out of 5
by Flynn, 6 years ago
Rated 5 out of 5
by Agustin, 6 years ago
Rated 5 out of 5
by Firefox user 13257693, 6 years ago
Rated 5 out of 5
by Firefox user 14890909, 6 years ago
Rated 5 out of 5
by Firefox user 14866664, 6 years ago
Rated 5 out of 5
by Firefox user 12696632, 6 years ago
Rated 5 out of 5
by spaiduhz, 6 years ago
Rated 5 out of 5
by Emanuel dotado, 6 years ago
A extensão foi bloqueada, alguém sabe onde baixo?
Rated 5 out of 5
by Firefox user 14867191, 6 years ago
The fix the guy below me posted totally worked.
Rated 5 out of 5
by Firefox user 14858115, 6 years ago
Firefox has F'd some addons. Instead of my previous little rant...

Here is how to fix this if it doesn't work anymore for you:

1. Type about:config in the URL bar.
2. Search for xpinstall.signatures.required
3. Change the setting to false

Enjoy!

Edit: thank you, second guy from above me!
Rated 5 out of 5
by Firefox user 14815875, 6 years ago
Rated 5 out of 5
by Firefox user 14813008, 6 years ago
Rated 5 out of 5
by Firefox user 10485461, 6 years ago
Works in YouTube.
Rated 5 out of 5
by Firefox user 13996095, 6 years ago
Rated 5 out of 5
by Firefox user 14790047, 6 years ago
good
Rated 5 out of 5
by Firefox user 14788716, 6 years ago
Rated 5 out of 5
by Firefox user 14779813, 6 years ago
Rated 1 out of 5
by Firefox user 14775566, 6 years ago
Cannot download
Rated 5 out of 5
by Firefox user 14771333, 6 years ago
Rated 5 out of 5
by Firefox user 14760718, 6 years ago
Exelente inmejoranle