WINDOWSUP.EXE has been confirmed as severely awful Trojan infection that can weaken your firewall and help other infections attack your system to totally make it become a wreck. It spreads through spam email, torrent files, porn sites, and free apps. Once it gets a spot in your system, it creates redundant and junks files in random folder of your system to mess up everything.
WINDOWSUP.EXE delete files and adds harmful files in Registry to make your system filled with bugs. Then your machine is just like a naked system without any protection, thus remote attackers have chance to transfer more threats to your PC. Behind your eyes, various threats such as adware, spyware and hijacker will installed and you have to suffer problems such as homepage hijacking, webpage redirecting, ads harassing, slow Internet speed and BSOD or system crash. If you leave it stay on your system, your personal information may even be collected by remote attacked due to WINDOWSUP.EXE. To avoid other damages to your system and protect your precious data, you need to delete WINDOWSUP.EXE immediately.