开机就没有小伞出来，从程序运行瑞星杀毒，显示如下：文件或目录\windows\prefetch\rav.exe-00c623bc.pf已损坏且无法读取。同时不能卸载瑞星2007重装。我该怎么办啊？？？
日志：
HijackThis_815汉化版扫描日志 V1.99.1
保存于 16:12:13, 日期 2006-12-25
操作系统： Windows XP SP2 (WinNT 5.01.2600)
浏览器： Unable to get Internet Explorer version!
当前运行的进程：
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:\Program Files\Rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Rising\Rav\Ravmond.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
c:\program files\rising\rfw\RfwMain.exe
C:\PROGRA~1\M&WXMI~1\CertRegX.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Rising\AntiSpyware\runiep.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\ntfis.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
c:\windows\imapi.exe
C:\Program Files\Rising\AntiSpyware\Ras.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\user\桌面\HijackThis1991zww.exe
O1 - Hosts: 127.0.0.2 localhost
O2 - BHO: (no name) - RsAutorunsDisabled - (no file)
O2 - BHO: (no name) - {C14393E1-95FF-4DFF-9BE0-EA008D4EF930} - (no file)
O3 - IE工具栏增项: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\windows\system32\KakaTool.dll
O4 - 启动项HKLM\\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - 启动项HKLM\\Run: [ekeyman_csp_user] C:\PROGRA~1\M&WXMI~1\CertRegX.exe
O4 - 启动项HKLM\\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - 启动项HKLM\\Run: [nwiz] nwiz.exe /install
O4 - 启动项HKLM\\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - 启动项HKLM\\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - 启动项HKLM\\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - 启动项HKLM\\Run: [runeip] C:\Program Files\Rising\AntiSpyware\runiep.exe
O4 - 启动项HKLM\\RunOnce: [KKDelay] C:\Program Files\Rising\AntiSpyware\RunOnce.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O9 - 浏览器额外的按钮: 番茄花园 - {6096E38F-5AC1-4391-8EC4-75DFA92FB32F} - http://tomatolei.com (file missing)
O9 - 浏览器额外的按钮: FlashGet - {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} - C:\PROGRA~1\FLASHGET\flashget.exe
O9 - 浏览器额外的“工具”菜单项: &FlashGet - {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} - C:\PROGRA~1\FLASHGET\flashget.exe
O16 - DPF: {0CA54D3F-CEAE-48AF-9A2B-31909CB9515D} (Edit Class) - https://www.sz1.cmbchina.com/download/CMBEdit.cab
O16 - DPF: {26BCA338-BB94-4E8F-A082-3E5735875B79} (CMBSafeHelper Class) - http://www.sz1.cmbchina.com/download/CMBGUARD.cab
O16 - DPF: {488A4255-3236-44B3-8F27-FA1AECAA8844} (CEditCtrl
Object) - https://img.alipay.com/download/1007/aliedit.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://zebrap.spaces.msn.com//PhotoUpload/MsnPUpld.cab
O16 - DPF: {E4E2F180-CB8B-4DE9-ACBB-DA745D3BA153} (Rising Web Scan
Object) - http://download.rising.com.cn/register/pcver/autoupgradepad/pcver2006new/OL2006.cab
O18 - 列举现有的协议: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - NT 服务: Performance Moniter (MOVEESS) - Unknown owner - C:\WINDOWS\SYSTEM32\RUNDLLFROMWIN2000.EXE (file missing)
O23 - NT 服务: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - NT 服务: Rising Proxy Service (RfwProxySrv) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwproxy.exe
O23 - NT 服务: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwsrv.exe
O23 - NT 服务: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\CCenter.exe
O23 - NT 服务: Rising RealTime Monitor (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\Ravmond.exe
