Hi,
My name is Cindy. I am sorry you are having this problem. I know it is really frustrating. I will do my best to help you with this problem.
Please note: This is a user-to-user community forum. We are users just like you who help others. We are not employees of Microsoft.
Adware is a form of malware that is added to your computer when downloading freeware and other such programs. It is possible to remove this with a program called Malwarebytes. They have a free version you can try. I have attached a link below to where you can download the program.
https://www.malwarebytes.com/adware
Please let me know if you have any questions.
Best Wishes,
Cindy
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.