Puaadvertising:Win32/Crossrider is a potentially unwanted program (PUP) that typically infiltrates computers through bundled software downloads, deceptive advertising, or malicious websites. Once installed, Puaadvertising:Win32/Crossrider may display unwanted advertisements, track users’ browsing habits, and collect personal information without consent. It can also slow down system performance and cause browser redirects. To protect your computer from Puaadvertising:Win32/Crossrider, it is important to be cautious when downloading software from the internet, avoid clicking on suspicious ads, and regularly update your antivirus software.