PR end of file error
This happens only in Firefox, rest all browsers chrome, edge, internet explorer works fine and there is no issue with youtube. I already resinstalled firefox, created new profile, safe mode etc. This is something from firefox side only.
Secure Connection Failed
An error occurred during a connection to www.youtube.com. PR_END_OF_FILE_ERROR
The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the website owners to inform them of this problem.
You can try to disable DNS over HTTPS.
Are you using a proxy or VPN?
You can check the connection settings.
- Settings -> General -> Network: Connection -> Settings
If you do not need to use a proxy to connect to internet then try to select "No Proxy" if "Use the system proxy settings" or one of the others do not work properly.
See "Firefox connection settings":