If you are experiencing unwanted pop ups, you can remove the pop ups by checking what notifications are "allowed" in your Google Chrome Web Browser.
Step 1: Open Google Chrome and click on the 3 vertical dots in the upper right hand corner to open the extended menu.
Step 2: Select "settings" in the extended menu.
Step 3: In the settings page, select "Privacy and Security" listed on the left.
Step 4: Select "Site Settings"
Step 5: Scroll down and select "Notifications"
Step 6: You will see a list that says "Allowed" check the notifications that have been allowed, find the notification you want to remove and select the 3 vertical dots next to it to open up the extended menu.
Step 7: Select "remove"
Step 8: Completely close out of Chrome and then restart the browser.