EVERY TIME I OPEN YOUTUBE OR CLICK ON A LINK THAT DIRECTS ME TO ANOTHER PAGE OF YOUTUBE THIS loving WINDOW POPS UP

forget YOU BITCH I DIDN'T CHOOSE TO OPEN stuff.
IF THIS WAS AN OFFICIAL GOOGLE THING I THINK SOMETHING WOULD POP UP SAYING "HEY CAN YOU DOWNLOAD SOME stuff SO WE CAN MONITOR THE AMOUNT OF research YOU DOWNLOAD ON YOUR COMPUTER?"
BUT ITS NOT DOING THAT SO WHAT THE forget IS THIS?