Multiple unspecified vulnerabilities in Microsoft Windows Help File viewer (winhlp32.exe) allow user-assisted attackers to execute arbitrary code via crafted HLP files.Referenceshttp://securityreason.com/securityalert/1382http://www.securityfocus.com/bid/19490http://www.securityfocus.com/archive/1/443034/100/0/threadedhttp://www.securityfocus.com/archive/1/443039/100/0/threaded