Click below the streams on the schedule and find your match with channel number.

There above the streams are  channels. Delete in the browser PDF) click on x.  

Click on the speaker sound and   arrow full schreen at the bottom right of the stream.

You can also double click on the popup steam.

If you see in the stream this X adblock. Click on it to delete.

Remove all upcoming tabs.



If stop the stream during 20-30 sec, press the REFRESH button