It is a message generated and sent to you by marketing because you have the following checked
in your settings:

http://www.screencast-o-matic.com/screenshots/u/Lh/1399223961177-84175.png

I receive the same messages and GrimeFighter isn’t installed because

  1. It’s not compatible with my OS Windows 8.1 upgrade
  2. I always choose a costume install and only allow add-ons that I want.
    If you need, help, please ask your questions.
    If you wan to rant, Please start a blog and have a blast.