我进入安全模式修复好，再重新启动一次后能正常开机．但是关机之后再开又会像原来那样反复重新启动．．．．下面是我用hijackthis搜索出来，没有修复过的那部分．
Logfile of HijackThis v1.99.1
Scan saved at 5:32:33, on 2005-9-24
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Unable to get Internet Explorer version!

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Documents and Settings\user\桌面\新建文件夹\HijackThis.exe
C:\WINDOWS\system32\wuauclt.exe

O2 - BHO: Tencent Browser Helper - {0C7C23EF-A848-485B-873C-0ED954731014} - C:\WINDOWS\Downloaded Program Files\Tvjbtzz.dll (file missing)
O4 - HKCU\..\Run: [RegBar] regsvr32.exe /u C:\progra~1\blogmark\bocaitoolbar.dll /s /i /n
O18 - Protocol: ipp - (no CLSID) - (no file)
O18 - Protocol: msdaipp - (no CLSID) - (no file)
O23 - Service: kavsvc - Kaspersky Lab - C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kavsvc.exe
O23 - Service: PACSPTISVR - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\Pacsptisvr.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\Sptisrv.exe