When your Mac constantly gets MacCost popup, that means Your Mac is infected by a Potentially Unwanted Program or Adware.
How to get rid of or uninstall MacCost is very complicated.A lot of people asked What is MacCost? Is MacCost safe? Is MacCost a virus? I want to delete MacCost.
How to remove MacCost virus from Google Chrome
Step 1: Open Google Chrome preference
Step 2: Restore home page
Go to “Appearance” section, and delete MacCost on home page setting.
Step 3: Restore search engine
Go to “search engines” section, and delete MacCost as default. Then select Google as default.
How to remove MacCost
Step1: Remove MacCost with Adware Removal Pro
Adware Removal Pro is a powerful tool which is designed to remove adware and browser hijackers from Apple Mac OS X.
1. You can download Adware Removal Pro from the below:
2. Once you have downloaded Adware Removal Pro, please open it and click the Clean button.