You are seeing the MacKeeper pop-up ads because you are either infected with adware or another web site is redirecting you to them.
Why am I seeing the MacKeeper pop-up ads?
MacKeeper is a system optimizer, however, there are some malicious programs that are injecting these MacKeeper ads on websites you visit without the permission of the publisher in order to generate revenue. Image: Chrome browser is redirected to MacKeeper What is MacKeeper? If your web browser is constantly being redirected to sites that promote the MacKeeper system optimizer, then it is possible that you have adware installed on your computer.
