ClamAV For Windows is a completely free and open source anti-virus software package. ClamAV is an open source antivirus solution for UNIX/Linux operating systems. It features a command line interface for scanning files, updating the virus definitions, and a daemon for faster scanning needed on high performance systems. ClamAV is a security software that protect your PC against virues. Unlike most antivirus products, ClamAV requires no yearly subscription fee, and is completely free with source code to anyone who wishes to use it. Because ClamAV is released under the GPL v2 license, you must follow all license requirements if you modify the ClamAV source code, or use it in your own projects. The SOSDG has taken the latest ClamAV from the CVS tree, compiled it against the current stable Cygwin DLLs, which provide a full UNIX/Linux compatibility layer for Windows operating systems.