我的协议如下：

O18 - Protocol: about - {3050F406-98B5-11CF-BB82-00AA00BDCE0B} - D:\WINNT\system32\mshtml.dll
O18 - Protocol: cdl - {3DD53D40-7B8B-11D0-B013-00AA0059CE02} - D:\WINNT\system32\urlmon.dll
O18 - Protocol: file - {79EAC9E7-BAF9-11CE-8C82-00AA004BA90B} - D:\WINNT\system32\urlmon.dll
O18 - Protocol: ftp - {79EAC9E3-BAF9-11CE-8C82-00AA004BA90B} - D:\WINNT\system32\urlmon.dll
O18 - Protocol: gopher - {79EAC9E4-BAF9-11CE-8C82-00AA004BA90B} - D:\WINNT\system32\urlmon.dll
O18 - Protocol: http - {79EAC9E2-BAF9-11CE-8C82-00AA004BA90B} - D:\WINNT\system32\urlmon.dll
O18 - Protocol: https - {79EAC9E5-BAF9-11CE-8C82-00AA004BA90B} - D:\WINNT\system32\urlmon.dll
O18 - Protocol: ic32pp - {BBCA9F81-8F4F-11D2-90FF-0080C83D3571} - D:\WINNT\wc98pp.dll (file missing)
O18 - Protocol: ipp - (no CLSID) - (no file)
O18 - Protocol: its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - D:\WINNT\system32\itss.dll
O18 - Protocol: javascript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - D:\WINNT\system32\mshtml.dll
O18 - Protocol: local - {79EAC9E7-BAF9-11CE-8C82-00AA004BA90B} - D:\WINNT\system32\urlmon.dll
O18 - Protocol: mailto - {3050F3DA-98B5-11CF-BB82-00AA00BDCE0B} - D:\WINNT\system32\mshtml.dll
O18 - Protocol: mhtml - {05300401-BCBC-11D0-85E3-00C04FD85AB4} - D:\WINNT\system32\inetcomm.dll
O18 - Protocol: mk - {79EAC9E6-BAF9-11CE-8C82-00AA004BA90B} - D:\WINNT\system32\urlmon.dll
O18 - Protocol: ms-its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - D:\WINNT\system32\itss.dll
O18 - Protocol: ms-itss - {0A9007C0-4076-11D3-8789-0000F8105754} - D:\Program Files\Common Files\Microsoft Shared\Information Retrieval\MSITSS.DLL
O18 - Protocol: msdaipp - (no CLSID) - (no file)
O18 - Protocol: res - {3050F3BC-98B5-11CF-BB82-00AA00BDCE0B} - D:\WINNT\system32\mshtml.dll
O18 - Protocol: sysimage - {76E67A63-06E9-11D2-A840-006008059382} - D:\WINNT\system32\mshtml.dll
O18 - Protocol: vbscript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - D:\WINNT\system32\mshtml.dll
O18 - Protocol: vnd.ms.radio - {3DA2AA3B-3D96-11D2-9BD2-204C4F4F5020} - D:\WINNT\system32\msdxm.ocx

O18 - Protocol: ic32pp - {BBCA9F81-8F4F-11D2-90FF-0080C83D3571} - D:\WINNT\wc98pp.dll (file missing)
O18 - Protocol: ipp - (no CLSID) - (no file)
O18 - Protocol: ms-itss - {0A9007C0-4076-11D3-8789-0000F8105754} - D:\Program Files\Common Files\Microsoft Shared\Information Retrieval\MSITSS.DLL
O18 - Protocol: msdaipp - (no CLSID) - (no file)


大家帮我看看这四个协议，有文件丢失的，没有文件的，还有一个MSITSS.DLL

请问这些是必须的吗，是否可以删除？

有一次杀毒，wc98pp.dll 好像被怀疑是病毒！

感谢啊！