我的电脑是XP2000的系统，现在启动的时候比以前慢了许多，进一些程序比以前也显得特别迟钝。
很频繁的自动探出浏览器。很频繁的突然黑屏之后就和点了切换用户一样。
有的时候还出现《Internet Explorer无法打开搜索》的对话筐， 之后就上不了网了但是还可以聊QQ。
请求高手帮忙解决一下，小弟在此先道谢了。
这是日志:
Logfile of Kaka v2. 0. 0. 7 Scan Module v2. 0. 0. 1
Scan saved at 16:05:28, on 2006-01-21
Platform: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
MSIE: Internet Explorer v6.00 SP2; (6.00.2900.2180 (xpsp_sp2_rtm.040803-2158))
Running processes:
[smss.exe]
CommandLine =
[csrss.exe]
CommandLine = C:\WINDOWS\system32\csrss.exe
ObjectDirectory=\Windows SharedSection=1024,3072,512 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ProfileControl=Off MaxRequestThreads=16
[winlogon.exe]
CommandLine = winlogon.exe
[services.exe]
CommandLine = C:\WINDOWS\system32\services.exe
[lsass.exe]
CommandLine = C:\WINDOWS\system32\lsass.exe
[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost -k DcomLaunch
[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost -k rpcss
[SVCHOST.EXE]
CommandLine = C:\WINDOWS\System32\svchost.exe -k netsvcs
[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost.exe -k NetworkService
[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost.exe -k LocalService
[EXPLORER.EXE]
CommandLine = C:\WINDOWS\Explorer.EXE
[ccSetMgr.exe]
CommandLine = "C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe"
[ccEvtMgr.exe]
CommandLine = "C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe"
[spoolsv.exe]
CommandLine = C:\WINDOWS\system32\spoolsv.exe
[DefWatch.exe]
CommandLine = "C:\Program Files\Symantec AntiVirus\DefWatch.exe"
[wdfmgr.exe]
CommandLine = C:\WINDOWS\system32\wdfmgr.exe
[uphclean.exe]
CommandLine = "C:\Program Files\UPHClean\uphclean.exe"
[alg.exe]
CommandLine = C:\WINDOWS\System32\alg.exe
[realsched.exe]
CommandLine = "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
[igfxtray.exe]
CommandLine = "C:\WINDOWS\system32\igfxtray.exe"
[hkcmd.exe]
CommandLine = "C:\WINDOWS\system32\hkcmd.exe"
[PDVDServ.exe]
CommandLine = "D:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
[ccApp.exe]
CommandLine = "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
[ThunderMini.exe]
CommandLine = "C:\Program Files\Thunder Network\ThunderMini\ThunderMini.exe"
[ctfmon.exe]
CommandLine = "C:\WINDOWS\system32\ctfmon.exe"
[wuauclt.exe]
CommandLine = "C:\WINDOWS\system32\wuauclt.exe"
[KkScan.exe]
CommandLine = "D:\3\KkScan.exe"
[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost.exe -k imgsvc
R3 - Default URLSearchHook is missing
O1 - Hosts: 127.0.0.1 localhost
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v6.dll
O2 - BHO: NTIECatcher Class - {C56CB6B0-0D96-11D6-8C65-B2868B609932} - C:\Program Files\Xi\NetTransport 2\NTIEHelper.dll
O3 - Toolbar: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\WINDOWS\system32\kakatool.dll
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [RemoteControl] "D:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [thunder_mini] C:\Program Files\Thunder Network\ThunderMini\ThunderMini.exe
O8 - Extra context menu item: &使用迷你迅雷下载 - C:\Program Files\Thunder Network\ThunderMini\geturl.htm
O8 - Extra context menu item: 使用影音传送带下载 - C:\Program Files\Xi\NetTransport 2\NTAddLink.html
O8 - Extra context menu item: 使用影音传送带下载全部链接 - C:\Program Files\Xi\NetTransport 2\NTAddList.html
O8 - Extra context menu item: 导出到 Microsoft Office Excel(&X) - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra Button: 微软 - {6096E38F-5AC1-4391-8EC4-75DFA92FB32F} - http://www.microsoft.com/china/index.htm (file missing)
O9 - Extra Button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O14 - IERESET.INF: START_PAGE_URL=http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome
O17 - HKLM\System\CCS\Services\Tcpip\..\{2AD0FA8D-04B0-4235-BC84-F0A85DBA3784}: NameServer = 202.99.160.68 202.99.166.4
O17 - HKLM\System\CCS\Services\Tcpip\..\{3115579F-3E72-488B-8EFC-5C7078DA244C}: NameServer = 202.96.128.86,202.96.128.166
O18 - Protocol: about - {3050F406-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: cdl - {3dd53d40-7b8b-11D0-b013-00aa0059ce02} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: dvd - {12D51199-0DB5-46FE-A120-47A3D7D937CC} - C:\WINDOWS\system32\msvidctl.dll
O18 - Protocol: file - {79eac9e7-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ftp - {79eac9e3-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: gopher - {79eac9e4-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: http - {79eac9e2-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: https - {79eac9e5-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ipp - (no CLSID) - (no file)
O18 - Protocol: its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - C:\WINDOWS\system32\itss.dll
O18 - Protocol: javascript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: local - {79eac9e7-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: mailto - {3050f3DA-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: mhtml - {05300401-BCBC-11d0-85E3-00C04FD85AB4} - C:\WINDOWS\system32\inetcomm.dll
O18 - Protocol: mk - {79eac9e6-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ms-its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - C:\WINDOWS\system32\itss.dll
O18 - Protocol: msdaipp - (no CLSID) - (no file)
O18 - Protocol: res - {3050F3BC-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: sysimage - {76E67A63-06E9-11D2-A840-006008059382} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: tv - {CBD30858-AF45-11D2-B6D6-00C04FBBDE6E} - C:\WINDOWS\system32\msvidctl.dll
O18 - Protocol: vbscript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: wia - {13F3EA8B-91D7-4F0A-AD76-D2853AC8BECE} - C:\WINDOWS\system32\wiascr.dll
O20 - Winlogon Notify: igfxcui
O20 - Winlogon Notify: NavLogon
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - "C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe"
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - "C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe"
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - "C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe"
O23 - Service: Symantec AntiVirus Definition Watcher (DefWatch) - Symantec Corporation - "C:\Program Files\Symantec AntiVirus\DefWatch.exe"
O23 - Service: Human Interface Device Access (HidServ) - - C:\WINDOWS\system32\svchost.exe -k netsvcs
O23 - Service: SAVRoam (SavRoam) - symantec - "C:\Program Files\Symantec AntiVirus\SavRoam.exe"
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - "C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe"
O23 - Service: Symantec AntiVirus (Symantec AntiVirus) - Symantec Corporation - "C:\Program Files\Symantec AntiVirus\Rtvscan.exe"
