I am having a problem with pop ups, phony links, phony tabs and phony windows popping up and being very slow at times.
My PC guy said it was advertising people showing the website owners how many hits they were getting. He couldn’t fix it. Yes I an looking for another PC guy.
Sounds like your computer was hijacked.
Try Malware Bytes and turn off the wifi in the meantime, while it does its thing.
I invested $200 in the Geek Squad...the best money I have ever invested. I have 3 machines and have spent hours with the Geek Squad...far more time than if I were being charged $35 an hour. I will reinvest next July when my program expires.