启动项目
注册表
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
    <ctfmon.exe><C:\WINDOWS\system32\ctfmon.exe>  [Microsoft Corporation]
[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <load><>  []
    <run><>  []
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
    <NvCplDaemon><RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup>  [NVIDIA Corporation]
    <nwiz><nwiz.exe /install>  [NVIDIA Corporation]
    <NvMediaCenter><RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit>  [NVIDIA Corporation]
    <IMSCMig><C:\PROGRA~1\COMMON~1\MICROS~1\IME\IMSC40A\IMSCMIG.EXE /Preload>  [Microsoft Corporation]
    <KernelFaultCheck><%systemroot%\system32\dumprep 0 -k>  []
    <RavTask><"D:\瑞星\Rising\Rav\RavTask.exe" -system>  [Beijing Rising Technology Co., Ltd.]
    <BigDogPath><C:\WINDOWS\VM_STI.EXE USB PC Camera 301P>  []
    <RfwMain><"D:\瑞星\Rising\Rfw\rfwmain.exe" -Startup>  [Beijing Rising Technology Co., Ltd.]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <shell><Explorer.exe>  [Microsoft Corporation]
    <Userinit><C:\WINDOWS\system32\Userinit.exe>  [Microsoft Corporation]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <AppInit_DLLs><>  []
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <UIHost><logonui.exe>  [Microsoft Corporation]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    <dl_accel><; C:\Program Files\3721\Dlaccel\YDownloader.exe>  []
    <YLive.exe><; C:\PROGRA~1\Yahoo!\ASSIST~1\YLive.exe>  []

==================================
启动文件夹
[VIA RAID TOOL]
  <C:\Documents and Settings\All Users\「开始」菜单\程序\启动\VIA RAID TOOL.lnk><N>
[Adobe Gamma Loader]
  <C:\Documents and Settings\All Users\「开始」菜单\程序\启动\Adobe Gamma Loader.lnk><N>
[腾讯QQ]
  <C:\Documents and Settings\user\「开始」菜单\程序\启动\腾讯QQ.lnk><N>

==================================
服务
[NVIDIA Display Driver Service / NVSvc]
  <C:\WINDOWS\system32\nvsvc32.exe><NVIDIA Corporation>
[Rising Proxy  Service / RfwProxySrv]
  <d:\瑞星\rising\rfw\rfwproxy.exe><Beijing Rising Technology Co., Ltd.>
[Rising Personal Firewall Service / RfwService]
  <d:\瑞星\rising\rfw\rfwsrv.exe><Beijing Rising Technology Co., Ltd.>
[Rising Process Communication Center / RsCCenter]
  <D:\瑞星\RISING\RAV\CCENTER.EXE><Beijing Rising Technology Co., Ltd.>
[RsRavMon Service / RsRavMon]
  <"D:\瑞星\Rising\Rav\Ravmond.exe"><Beijing Rising Technology Co., Ltd.>

浏览器加载项
[Web Browser Applet Control]
  {08B0E5C0-4FCB-11CF-AAA5-00401C608501} <C:\WINDOWS\system32\msjava.dll, Microsoft Corporation>
[豪杰超级解霸V8]
  {367E0A21-8601-4986-9C9A-153BF5ACA118} <C:\Herosoft\HeroV8\STHSDVD.EXE, herosoft>
[JUJU猫]
  {6096E38F-5AC1-4391-8EC4-75DFA92FB32F} <http://www.jujumao.net, N/A>
[信息检索(&R)]
  {92780B25-18CC-41C8-B9BE-3C9C571A8263} <D:\PROGRA~1\MICROS~1\OFFICE11\REFIEBAR.DLL, Microsoft Corporation>
[金山词霸]
  {9A687CA6-D585-4947-9ED9-BE96071F5CD9} <G:\Program Files\XDictExB.dll, 金山软件股份有限公司>
[QQ]
  {c95fe080-8f5d-11d2-a20b-00aa003c157b} <d:\Tencent2006\QQ\QQ.EXE, TENCENT>
[FlashGet]
  {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} <C:\PROGRA~1\FLASHGET\flashget.exe, Amaze Soft>
[QQIEFloatBarCfgCmd Class]
  {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} <d:\Tencent2006\QQ\QQIEHelper.dll, N/A>
[情景聊天]
  {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} <http://cn.rd.yahoo.com/home/messenger/bjk/clientbtn/?http://cn.messenger.yahoo.com/, N/A>
[Messenger]
  {FB5F1910-F110-11d2-BB9E-00C04F795683} <C:\Program Files\Messenger\msmsgs.exe, Microsoft Corporation>
[FlashGet Bar]
  {E0E899AB-F487-11D5-8D29-0050BA6940E3} <C:\PROGRA~1\FLASHGET\fgiebar.dll, Amaze Soft>
[卡卡上网安全助手]
  {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} <C:\WINDOWS\system32\KakaTool.dll, Beijing Rising Technology Co., Ltd.>
[WebActivater Control]
  {3D8F74EE-8692-4F8F-B8D2-7522E732519E} <C:\WINDOWS\system32\WEBACT~1.OCX, QQ>
[PowerPlayer Control]
  {5EC7C511-CD0F-42E6-830C-1BD9882F3458} <C:\DOCUME~1\user\APPLIC~1\ppStream\100~1.138\POWERP~1.DLL, PPStream Inc.>
[Java Plug-in 1.4.2]
  {8AD9C840-044E-11D1-B3E9-00805F499D93} <C:\Program Files\Java\j2re1.4.2\bin\npjpi142.dll, JavaSoft / Sun Microsystems, Inc.>
[LiveMediaOcx Control]
  {9242BB35-0DB0-43AC-8DFC-8EA07E63B92A} <D:\QQLive\QQLive.ocx, Tencent>
[Java Plug-in 1.4.2]
  {CAFEEFAC-0014-0002-0000-ABCDEFFEDCBA} <C:\Program Files\Java\j2re1.4.2\bin\npjpi142.dll, JavaSoft / Sun Microsystems, Inc.>
[Shockwave Flash Object]
  {D27CDB6E-AE6D-11CF-96B8-444553540000} <C:\WINDOWS\system32\Macromed\Flash\Flash8b.ocx, Macromedia, Inc.>
[ThunderIEHelper Class]
  {0005A87D-D626-4B3A-84F9-1D9571695F55} <C:\WINDOWS\system32\xunleibho_v6.dll, N/A>
[Microsoft Office Template and Media Control]
  {02BCC737-B171-4746-94C9-0D8A0B2C0089} <D:\PROGRA~1\MICROS~1\OFFICE11\IEAWSDC.DLL, N/A>
[Web Browser Applet Control]
  {08B0E5C0-4FCB-11CF-AAA5-00401C608501} <C:\WINDOWS\system32\msjava.dll, Microsoft Corporation>
[Windows Genuine Advantage Validation Tool]
  {17492023-C23A-453E-A040-C7C580BBF700} <C:\WINDOWS\system32\legitcheckcontrol.dll, Microsoft Corp.>
[Windows Media Player]
  {22D6F312-B0F6-11D0-94AB-0080C74C7E95} <C:\WINDOWS\system32\wmpdxm.dll, Microsoft Corporation>
[HTML Document]
  {25336920-03F9-11CF-8FD0-00AA00686F13} <%SystemRoot%\system32\mshtml.dll, N/A>
[Tabular Data Control]
  {333C7BC4-460F-11D0-BC04-0080C7055A83} <C:\WINDOWS\system32\tdc.ocx, Microsoft Corporation>
[IETag Factory]
  {38481807-CA0E-42D2-BF39-B33AF135CC4D} <C:\PROGRA~1\COMMON~1\MICROS~1\SMARTT~1\IETAG.DLL, Microsoft Corporation>
[Microsoft Office Control]
  {4453D895-F2A1-4A38-A285-1EF9BD3F6D5D} <D:\PROGRA~1\MICROS~1\OFFICE11\AUTHZAX.DLL, Microsoft Corporation>
[360搜]
  {472101C2-1109-43F4-9112-31F33E3F2127} <, N/A>
[HHCtrl Object]
  {52A2AAAE-085D-4187-97EA-8C30DB990436} <C:\WINDOWS\system32\hhctrl.ocx, Microsoft Corporation>
[QQBrowserHelperObject Class]
  {54EBD53A-9BC1-480B-966A-843A333CA162} <d:\Tencent2006\QQ\QQIEHelper.dll, N/A>
[XML Data Source Object]
  {550DDA30-0541-11D2-9CA9-0060B0EC3D39} <%SystemRoot%\system32\msxml3.dll, N/A>
[Shell Name Space]
  {55136805-B2DE-11D1-B9F2-00A0C98BC547} <%SystemRoot%\system32\shdocvw.dll, N/A>
[金山毒霸在线杀毒]
  {577A1997-6FD0-4972-B234-885DA583F9CE} <C:\PROGRA~1\KOS\KOSClean.ocx, N/A>
[PowerPlayer Control]
  {5EC7C511-CD0F-42E6-830C-1BD9882F3458} <C:\DOCUME~1\user\APPLIC~1\ppStream\100~1.138\POWERP~1.DLL, PPStream Inc.>
[WUWebControl Class]
  {6414512B-B978-451D-A0D8-FCFDF33E833C} <C:\WINDOWS\system32\wuweb.dll, Microsoft Corporation>
[Windows Media Player]
  {6BF52A52-394A-11D3-B153-00C04F79FAA6} <C:\WINDOWS\system32\wmp.dll, Microsoft Corporation>
[Microsoft Web 浏览器]
  {8856F961-340A-11D0-A96B-00C04FD705A2} <C:\WINDOWS\system32\shdocvw.dll, Microsoft Corporation>
[LiveMediaOcx Control]
  {9242BB35-0DB0-43AC-8DFC-8EA07E63B92A} <D:\QQLive\QQLive.ocx, Tencent>
[IeCatch2 Class]
  {A5366673-E8CA-11D3-9CD9-0090271D075B} <C:\PROGRA~1\FLASHGET\jccatch.dll, N/A>
[]
  {A9930D97-9CF0-42A0-A10D-4F28836579D5} <G:\PROGRA~1\KuGoo2\KUGOO3~1.OCX, N/A>
[RMGetLicense Class]
  {A9FC132B-096D-460B-B7D5-1DB0FAE0C062} <C:\WINDOWS\system32\msnetobj.dll, Microsoft Corporation>
[Microsoft Scriptlet Component]
  {AE24FDAE-03C6-11D1-8B76-0080C744F389} <C:\WINDOWS\system32\mshtml.dll, Microsoft Corporation>
[卡卡上网安全助手]
  {AFF6E516-CBE5-4F8A-9C2F-38A68013E766} <C:\WINDOWS\system32\KakaTool.dll, Beijing Rising Technology Co., Ltd.>
[SearchAssistantOC]
  {B45FF030-4447-11D2-85DE-00C04FA35C89} <%SystemRoot%\system32\shdocvw.dll, N/A>
[RDS.DataSpace]
  {BD96C556-65A3-11D0-983A-00C04FC29E36} <C:\Program Files\Common Files\System\msadc\msadco.dll, Microsoft Corporation>
[QUICKfind BHO Object]
  {C08DF07A-3E49-4E25-9AB0-D3882835F153} <C:\PROGRA~1\TEXTware\QUICKF~1\PlugIns\IEHelp.dll, N/A>
[AUDIO__MID Moniker Class]
  {CD3AFA74-B84F-48F0-9393-7EDC34128127} <C:\WINDOWS\system32\wmp.dll, Microsoft Corporation>
[AUDIO__MP3 Moniker Class]
  {CD3AFA76-B84F-48F0-9393-7EDC34128127} <C:\WINDOWS\system32\wmp.dll, Microsoft Corporation>
[VIDEO__MPEG Moniker Class]
  {CD3AFA89-B84F-48F0-9393-7EDC34128127} <C:\WINDOWS\system32\wmp.dll, Microsoft Corporation>
[VIDEO__X_MS_ASF Moniker Class]
  {CD3AFA8F-B84F-48F0-9393-7EDC34128127} <C:\WINDOWS\system32\wmp.dll, Microsoft Corporation>
[VIDEO__X_MS_WMV Moniker Class]
  {CD3AFA94-B84F-48F0-9393-7EDC34128127} <C:\WINDOWS\system32\wmp.dll, Microsoft Corporation>
[RealPlayer G2 Control]
  {CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA} <C:\WINDOWS\system32\rmoc3260.dll, RealNetworks, Inc.>
[Shockwave Flash Object]
  {D27CDB6E-AE6D-11CF-96B8-444553540000} <C:\WINDOWS\system32\Macromed\Flash\Flash8b.ocx, Macromedia, Inc.>
[卡卡上网安全助手]
  {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} <C:\WINDOWS\system32\KakaTool.dll, Beijing Rising Technology Co., Ltd.>
[FlashGet Bar]
  {E0E899AB-F487-11D5-8D29-0050BA6940E3} <C:\PROGRA~1\FLASHGET\fgiebar.dll, Amaze Soft>
[CPasswordEditCtrl Object]
  {E787FD25-8D7C-4693-AE67-9406BC6E22DF} <C:\WINDOWS\system32\qqedit\qqedit.dll, 腾讯科技（深圳）有限公司>
[上传到QQ网络硬盘]
  <D:\Tencent2006\QQ\AddToNetDisk.htm, N/A>
[使用网际快车下载]
  <C:\Program Files\FlashGet\jc_link.htm, N/A>
[使用网际快车下载全部链接]
  <C:\Program Files\FlashGet\jc_all.htm, N/A>
[导出到 Microsoft Office Excel(&X)]
  <res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000, N/A>
[添加到QQ自定义面板]
  <D:\Tencent2006\QQ\AddPanel.htm, N/A>
[添加到QQ表情]
  <D:\Tencent2006\QQ\AddEmotion.htm, N/A>
[用QQ彩信发送该图片]
  <D:\Tencent2006\QQ\SendMMS.htm, N/A>

正在运行的进程
[PID: 152][\SystemRoot\System32\smss.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 204][\??\C:\WINDOWS\system32\csrss.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 228][\??\C:\WINDOWS\system32\winlogon.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 272][C:\WINDOWS\system32\services.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 284][C:\WINDOWS\system32\lsass.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 432][C:\WINDOWS\system32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 476][C:\WINDOWS\system32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 536][C:\WINDOWS\system32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 752][C:\WINDOWS\Explorer.EXE]  <Microsoft Corporation><6.00.2900.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 1432][D:\SREng2\SREng.exe]  <Smallfrogs Studio><2.0.21.505>

==================================
文件关联
.TXT  OK. [%SystemRoot%\system32\NOTEPAD.EXE %1]
.EXE  OK. ["%1" %*]
.COM  OK. ["%1" %*]
.PIF  OK. ["%1" %*]
.REG  OK. [regedit.exe "%1"]
.BAT  OK. ["%1" %*]
.SCR  OK. ["%1" /S]
.CHM  Error. ["hh.exe" %1]
.HLP  Error. [winhlp32.exe %1]
.INI  OK. [%SystemRoot%\System32\NOTEPAD.EXE %1]
.INF  OK. [%SystemRoot%\System32\NOTEPAD.EXE %1]
.VBS  OK. [%SystemRoot%\System32\WScript.exe "%1" %*]
.JS  OK. [%SystemRoot%\System32\WScript.exe "%1" %*]
.LNK  OK. [{00021401-0000-0000-C000-000000000046}]

什么原因请描述一下

运行(双击)System Repair Engineer，使用“系统修复，文件关联，勾选“全选”点“修复”使所有扩展名都恢复正常。
如上，有异常你描述一下。