I have an insignia ad rolling across the bottom of my screen. How do I stop it?

Question

it is a 19" screen

Answer 1

Install AdBlock Plus as an add-on to your browser.

To remove Adware/Spyware you should do the following:

Run the free version of two of the following: Spybot Search & Destroy, Adaware anti-spy, SuperAntiSpyware, AdwCleaner.

Next install and run malwarebytes free version.

Now, run one of the following:
CCleaner, Glary Utilities, Tweaking.com Windows All In One tool.