You open your web browser, click on a link and suddenly you get a pop up that looks something like one of these:

     

DO NOT CALL any of these numbers!  This is an adware scam.  Adware is a type of malware that is  used to describe software which presents unwanted advertisements to the user of a computer. The advertisements produced by adware are sometimes in the form of a pop-up or sometimes in an "unclosable window."

Malwaretips

You will need to fully stop the browser process and try to remove the adware.  You can open a private browsing window and clear your cache and history.  You can also try using Malwarebytes AdwCleaner to remove the adware.  It is a free download, and be warned - it may require your computer to be restarted.

 Or contact BSCANS for help in removing the adware.