Messenger Ad Blocker - description from Softdepia.com:
Last time Windows users around the world began receive Windows popup messages appearing on their computers. This advertisement is the newest form of sending ads right to your desktop.
Many advertises and spammers are using this privacy invading method of Advertisement. But now You can stop this Messenger SPAM-messages and protect your desktop with Atory Messenger Ad Blocker.
Messenger Ad Blocker is a "Free to try" program. You can download and try it for an evaluation period.