Check Chrome for add-ons that maybe you don't need or want and run AdwCleaner and Malwarebytes Free from the last link below
Toronto ▪ Canada
Volunteer Moderator - Consumer Products
I CAN'T HELP PRIVATELY - PLEASE POST IN THE FORUMS
Use Advanced Search To Find Answers
If I may add to Ex_Brit,s advice. To keep Malwarebytes (Free) DO NOT accept any Free Trial Offers/or Activate the Pro/Paid Version all throughout the Download/Installation process. This Application is a Excellent (Compliment/On Demand Scanner) to McAfee. The (Free) Version will suffice, as the RTS Module is not enabled which quite possibly could cause Conflicts.
It is designed to be compatible with Anti-Virus Applications. You can keep on board as a (Second) Opinion Scanner. Simply update before scanning periodically. It detects certain Potentially Unwanted Programs that most Anti-Virus Programs consider (Borderline) .
You may find the following link most informative, please read both articles:PUPs - Potentially Unwanted Programs - Basics
All the very Best,
McAfee Volunteer Moderator