Getting redirected to this website – rouonixon.com? This is because an adware is likely installed on your computer. This adware will attempt to commandeer your browser search and homepage towards rouonixon.com. Ads from the said website will send you to malicious pages to get money from you or infect your computer further. It may also prevent you from changing your settings back.
Rouonixon.com is usually installed through bundled software without you knowing.