This is published and distributed via an Adknowledge's advertising supported (adware) software installer. The application PreInstallChecker.exe has been detected as adware by 2 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer, however the file is not signed with an authenticode signature from a trusted source. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from install.browsersafeguard.com.