some youtube videos not working but others are?

[WPCentral Question]

Phone: Lumia 820
Problem: some youtube videos will work as normal but then there are others which i try to play but it doesn't and gives "invalid Source" after 30 seconds. i tried different methods for trying to view the videos that are affected but they still won't work. btw, the videos wont load even if i refresh like 100 times. i can view the videos on my laptops perfectly fine so it cant be a problem with my internet...
has anyone else got this problem? this problem has only been around for a week that i have noticed. I'm also using the latest update on 8.1 but i don't think the update may have caused it

if you find out what is causing this please tell me

 

[Dazav2]

any help will be appreciated please

 

[Dazav2]

ok it seems like it's a problem with youtube so if you're having this issue, there's nothing we can do until they fix it