hello @TeamYouTube why am I seeing gray videos 



pic.twitter.com/9cfvYPCDeh
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Thanks for reaching out. Here's our Help Center article that may help answer your question about video freezing/buffering during upload: https://goo.gl/TZZa2P . Hope this helps.
from mobile its fine basically from my laptop when i upload one and a half hour livestream it gets freezing.
Thanks for clarifying. Have you tried clearing your browser's cache and cookies? Here's how: https://goo.gl/dwzcyo . Also, does this happen across browsers & on Incognito mode? Keep us posted.
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