I have pop ups ads on my lenovo tablet which i dont know where it came from

[Android Central Question]

HI
i always did not have whole screen pop up ads and everything was normal
but recently ads pop up even if the screen is off,it starts playing video ads or any other ads..i some time click on recently opened window and it says that the app that is producing pop ups is an app named camera!but the only camera app i have is the camera that came on my tablet from the start!oh between the browser i am using is chrome and my pop ups are bloked ! and i am really sick of this! so please...please help me

 

[belodion]

Does this persist in Safe Mode?