Once that same thing happen to me,I dont know very well about that so i reinstall the windowHi
about a month ago i fount that some thing was running in the background of my youtube website
when i checked in inspect it was a video playing in my browser in full screen with audio turned off.....
Can some one tell me how it is possible...
it's an extesion most likelyNo i need to know how it is been done so i can also do that.