Get Rid of Giant Galaxy Ads and Deals from IE/ Chrome/ Firefox Easily and Completely

Giant Galaxy is potentially unwanted

1. It generates numerous pop-up ads in your web browser. 
2. It invades your privacy such as tracking your browsing history and collecting your data on all websites.
3. Unexpected browser crashes happen after the presence of Giant Galaxy.
4. Huge system resources occupied.
5. Your PC runs slower and slower even gets BSOD.