Cryptographic Network Services – CRYPT32.DLL
Crypt32.dll, cryptnet.dll, and cryptdll.dll install with Microsoft Windows and with the Internet Explorer browser. They are API modules that support Cryptographic Network Services. These files help to authenticate certificates and support the Secure Socket Layer in your Microsoft Internet Explorer browser. More information can be found at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xpehelp/html/xetbsnetworksecuritycomponents.asp and at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xpehelp/html/xetbsauthenticationsecuritycomponents.asp.
A revoked certificate may be selected if a certification authority in the chain has two certificates. You'll find more info and a fix for this program at http://support.microsoft.com/default.aspx?scid=kb;en-us;329433.
If you receive an "Error in Crypt32.dll" when adding contacts in Outlook 2000, you'll find a fix at http://support.microsoft.com/?kbid=249781.
Safe
Microsoft