If Comcast / Xfinity is your Internet Service Provider and you are having issues connecting:
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Errors: Account is invalid or has expired. or Network / Server URL Error with Comcast / Xfinity as ISP.
Comcast / Xfinity has a Internet Security app built into their routers.
You will need to disable this in order to connect to some of our servers.
The built in Internet Security blocks some ports used for your service.
Here is the fix. You need to turn off the Xfinity Advanced Security
https://www.xfinity.com/support/articles/using-xfinity-xfi-advanced-security
If issues continue after following these steps please submit a support ticket.
make sure you include the Following Information when submitting your support ticket.
1. Include the Name of the Streaming Device you are using.
2. Include the Full Name of App you are using.
3. Give Complete Details of any issues you are having.