The JionniiCoupOn will not go away. I keep removing it from Google Chrome, but it's come back in a day. How can I get rid of it permanently? You can refer to this step-by step removal guides.
What is JionniiCoupOn?
JionniiCoupOn is categorized as an adware which will display commercial ads on the popular web browsers such as Internet Explorer, Google Chrome, Firefox, Safari, etc. This adware can come into your computer along with some free software, files and drivers. You may also get infected by opening spam emails, sharing corrupt, or clicking to unsafe web sites, and so on. It install on your computer without your and permission.
