NeoWin HFNetChk can be run from Windows NT 4.0, Windows 2000, or Windows XP systems, and will scan either the local system or remote ones for patches available for the following products: Windows NT 4.0, Windows 2000, Windows XP, Internet Information Server 4.0 and 5.0, SQL Server 7.0 and 2000 (including Microsoft Data Engine), and Internet Explorer 5.01 and later. Download Microsoft Network Security Hotfix Checker v3.3 for Windows 2000 , NT 4.0 & XP