Windows Sysinternals The Sysinternals web site was created in 1996 by Mark Russinovich and Bryce Cogswell to host their advanced system utilities and technical information. Microsoft acquired Sysinternals in July, 2006. Whether you’re an IT Pro or a developer, you’ll find Sysinternals utilities to help you manage, troubleshoot and diagnose your Windows systems and applications. If you have a question about a tool or how to use them, please visit the Sysinternals Forum for answers and help from other users and our moderators. » Windows Tools  Trend Micro™ HouseCall Trend Micro™ HouseCall is an application for checking whether your computer has been infected by viruses, spyware, or other malware. HouseCall performs additional security checks to identify and fix vulnerabilities to prevent reinfection. » Scan Now Symantec Security Check  Symantec Security Check tests your computer's exposure to a wide range of online threats. It's free and an effective tool that helps determine your Internet security needs. » Scan Now NanoScan It does analyze all processes running on your computer and does identify security threats. ActiveX applet installation is required. » Scan Now ShieldsUP! Test your system firewall protection effectiveness! » Scan Now