You should always pay attention when installing software because often, a software installer includes optional installs, such as this Mac Ads Cleaner potentially unwanted program. Unfortunately, some free downloads do not adequately disclose that other software will also be installed and you may find that you have installed adware without your knowledge. Mac Ads Cleaner is bundled with other free software that you download off of the Internet. However, if you try to fix these issues, Mac Ads Cleaner will state that you need to buy the full version before being able to do so. Mac Ads Cleaner is a potentially unwanted program, which is advertised as a system optimizer, and once installed it claims that several issues were been detected on your Mac.