Q: How do I get rid of internet ads on my mac

You can add a adblock extension to any browser.

Look in preferences>Extension

or Add-ons

Identify and remove adware

http://www.thesafemac.com/arg/

or use Adware Removal Tool.

http://www.thesafemac.com/art/

Please post a screenshot that shows what you mean. Be careful not to include any private information.

Start a reply to this message. Drag the image file into the editing window to upload it. You can also include text in the reply.