最近电脑老是一开机就死机（机还没开正常就听见“咔嚓”一声，死了，电源没断）是怎么回事呀，这种现象每次开机至少要开三次才能开机正常。我感觉好像是在最后要加载什么程序被卡死了，(日志发不上来，）急，请问这会有哪些原因？

下面是我用sreng2扫描的日志：
2006-10-10,17:55:48

System Repair Engineer 2.2.6.605
Smallfrogs (http://www.KZTechs.com)



启动项目
注册表
[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <load><>  [N/A]
    <run><>  [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
    <PHIME2002ASync><; C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC>  [(Verified)Microsoft Corporation]
    <PHIME2002A><; C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName>  [(Verified)Microsoft Corporation]
    <IMSCMig><C:\PROGRA~1\COMMON~1\MICROS~1\IME\IMSC40A\IMSCMIG.EXE /Preload>  [(Verified)Microsoft Corporation]
    <IMJPMIG8.1><; "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32>  [(Verified)Microsoft Corporation]
    <RfwMain><; >  [N/A]
    <NvCplDaemon><; RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup>  [(Verified)NVIDIA Corporation]
    <RavTask><; >  [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <shell><Explorer.exe>  [(Verified)Microsoft Corporation]
    <Userinit><C:\WINDOWS\system32\userinit.exe,>  [(Verified)Microsoft Corporation]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <AppInit_DLLs><>  [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <UIHost><logonui.exe>  [(Verified)Microsoft Corporation]

==================================
启动文件夹
N/A

==================================
服务
[Human Interface Device Access / HidServ]
  <C:\WINDOWS\System32\svchost.exe -k netsvcs-->%SystemRoot%\System32\hidserv.dll><N/A>
[Network Engine / Investor]
  <C:\WINDOWS\System32\svchost.exe -k netsvcs-->C:\WINDOWS\system32\mssapi.dll><Microsoft Corporation>
[NVIDIA Display Driver Service / NVSvc]
  <C:\WINDOWS\system32\nvsvc32.exe><NVIDIA Corporation>
[Rising Proxy  Service / RfwProxySrv]
  <d:\下载杀毒文件夹\瑞星\rising\rfw\rfwproxy.exe><Beijing Rising Technology Co., Ltd.>
[Rising Personal Firewall Service / RfwService]
  <d:\下载杀毒文件夹\瑞星\rising\rfw\rfwsrv.exe><Beijing Rising Technology Co., Ltd.>
[Rising Process Communication Center / RsCCenter]
  <"D:\下载杀毒文件夹\Rising\Rav\CCenter.exe"><Beijing Rising Technology Co., Ltd.>
[RsRavMon Service / RsRavMon]
  <"D:\下载杀毒文件夹\Rising\Rav\Ravmond.exe"><Beijing Rising Technology Co., Ltd.>
[Windows Install Helper / SOCEESe]
  <C:\WINDOWS\SYSTEM32\RUNDLL.EXE C:\WINDOWS\SYSTEM32\WBEM\SMTPCONFS.DLL,Export 1087><N/A>

==================================
驱动程序
[Service for WDM 3D Audio Driver / ALCXSENS]
  <system32\drivers\ALCXSENS.SYS><Sensaura>
[Service for Realtek AC97 Audio (WDM) / ALCXWDM]
  <system32\drivers\ALCXWDM.SYS><Realtek Semiconductor Corp.>
[Rising TDI Base Driver / BaseTDI]
  <System32\DRIVERS\BaseTDI.SYS><Beijing Rising Technology Co., Ltd.>
[ExpScaner / ExpScaner]
  <\??\D:\下载杀毒文件夹\Rising\Rav\ExpScan.sys><>
[GMSIPCI / GMSIPCI]
  <\??\H:\INSTALL\GMSIPCI.SYS><N/A>
[HookCont / HookCont]
  <\??\D:\下载杀毒文件夹\Rising\Rav\HOOKCONT.sys><Rising tech Co. ltd>
[HookReg / HookReg]
  <\??\D:\下载杀毒文件夹\Rising\Rav\HookReg.sys><>
[HookSys / HookSys]
  <\??\D:\下载杀毒文件夹\Rising\Rav\HookSys.sys><Rising>
[HookUrl / HookUrl]
  <\??\D:\下载杀毒文件夹\瑞星\Rising\Rfw\HookUrl.sys><Beijing Rising Technology Co., Ltd.>
[MEMSCAN / MEMSCAN]
  <\??\D:\下载杀毒文件夹\Rising\Rav\MEMSCAN.sys><瑞星软件有限公司>
[mProcRs / mProcRs]
  <\??\d:\下载杀毒文件夹\瑞星\rising\rfw\mProcRs.sys><Beijing Rising Technology Co., Ltd.>
[Netgroup Packet Filter / NPF]
  <system32\DRIVERS\npf.sys><CACE Technologies>
[NTACCESS / NTACCESS]
  <\??\H:\NTACCESS.sys><N/A>
[nv / nv]
  <system32\DRIVERS\nv4_mini.sys><NVIDIA Corporation>
[Direct Parallel Link Driver / Ptilink]
  <system32\DRIVERS\ptilink.sys><Parallel Technologies, Inc.>
[RsFwDrv / RsFwDrv]
  <\??\D:\下载杀毒文件夹\瑞星\Rising\Rfw\RsFwDrv.sys><Beijing Rising Technology Co., Ltd.>
[Realtek RTL8139(A/B/C)-based PCI Fast Ethernet Adapter NT Driver / rtl8139]
  <system32\DRIVERS\RTL8139.SYS><Realtek Semiconductor Corporation>
[Secdrv / Secdrv]
  <system32\DRIVERS\secdrv.sys><N/A>
[SetupNTGLM7X / SetupNTGLM7X]
  <\??\H:\NTGLM7X.sys><N/A>

==================================
浏览器加载项
[AcroIEHlprObj Class]
  {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} <, N/A>
[IeCatch5 Class]
  {2F364306-AA45-47B5-9F9D-39A8B94E7EF7} <, N/A>
[QQBrowserHelperObject Class]
  {54EBD53A-9BC1-480B-966A-843A333CA162} <D:\应用文件夹\QQ2006\QQIEHelper.dll, 深圳市腾讯计算机系统有限公司>
[NTIECatcher Class]
  {C56CB6B0-0D96-11D6-8C65-B2868B609932} <, N/A>
[gFlash Class]
  {F156768E-81EF-470C-9057-481BA8380DBA} <D:\应用文~1\FlashGet\FlashGet\getflash.dll, N/A>
[江民在线杀毒]
  {06926B30-424E-4f1c-8EE3-543CD96573DC} <http://online.jiangmin.com/online.asp, N/A>
[FlashGet]
  {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} <D:\应用文~1\FlashGet\FlashGet\flashget.exe, FlashGet.com>
[FlashGet Bar]
  {E0E899AB-F487-11D5-8D29-0050BA6940E3} <, N/A>
[KvScanOnline Control]
  {EF6205C1-3F17-4829-BCB5-1336ED89E356} <C:\WINDOWS\system32\KvDown.ocx, dreamersoft>
[AcroIEHlprObj Class]
  {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} <, N/A>
[IeCatch5 Class]
  {2F364306-AA45-47B5-9F9D-39A8B94E7EF7} <, N/A>
[QQBrowserHelperObject Class]
  {54EBD53A-9BC1-480B-966A-843A333CA162} <D:\应用文件夹\QQ2006\QQIEHelper.dll, 深圳市腾讯计算机系统有限公司>
[KvScan Control]
  {626AEE7D-DC95-4405-8F9E-9FB1EA80AEDE} <C:\WINDOWS\KVSCAN~1\KvKill.ocx, jiangmin>
[RDS.DataSpace]
  {BD96C556-65A3-11D0-983A-00C04FC29E36} <C:\Program Files\Common Files\System\msadc\msadco.dll, Microsoft Corporation>
[NTIECatcher Class]
  {C56CB6B0-0D96-11D6-8C65-B2868B609932} <, N/A>
[Shockwave Flash Object]
  {D27CDB6E-AE6D-11CF-96B8-444553540000} <C:\WINDOWS\system32\Macromed\Flash\Flash.ocx, Macromedia, Inc.>
[FlashGet Bar]
  {E0E899AB-F487-11D5-8D29-0050BA6940E3} <, N/A>
[KvScanOnline Control]
  {EF6205C1-3F17-4829-BCB5-1336ED89E356} <C:\WINDOWS\system32\KvDown.ocx, dreamersoft>
[gFlash Class]
  {F156768E-81EF-470C-9057-481BA8380DBA} <D:\应用文~1\FlashGet\FlashGet\getflash.dll, N/A>
[上传到QQ网络硬盘]
  <D:\应用文件夹\QQ2006\AddToNetDisk.htm, N/A>
[使用影音传送带下载]
  <, N/A>
[使用影音传送带下载全部链接]
  <, N/A>
[使用网际快车下载]
  <D:\应用文件夹\FlashGet\FlashGet\jc_link.htm, N/A>
[使用网际快车下载全部链接]
  <D:\应用文件夹\FlashGet\FlashGet\jc_all.htm, N/A>
[导出到 Microsoft Office Excel(&X)]
  <res://D:\OFFICE~1\OFFICE11\EXCEL.EXE/3000, N/A>
[添加到QQ自定义面板]
  <D:\应用文件夹\QQ2006\AddPanel.htm, N/A>
[添加到QQ表情]
  <D:\应用文件夹\QQ2006\AddEmotion.htm, N/A>
[用QQ彩信发送该图片]
  <D:\应用文件夹\QQ2006\SendMMS.htm, N/A>
[用比特精灵下载(&B)]
  <D:\应用文件夹\BitSpirit\BitSpirit\bsurl.htm, N/A>

==================================
正在运行的进程
[PID: 452][\SystemRoot\System32\smss.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 500][\??\C:\WINDOWS\system32\csrss.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 524][\??\C:\WINDOWS\system32\winlogon.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 568][C:\WINDOWS\system32\services.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 580][C:\WINDOWS\system32\lsass.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 736][C:\WINDOWS\system32\svchost.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 780][C:\WINDOWS\system32\svchost.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 884][C:\WINDOWS\System32\svchost.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 960][C:\WINDOWS\system32\svchost.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 1064][C:\WINDOWS\system32\svchost.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 1144][d:\下载杀毒文件夹\瑞星\rising\rfw\rfwsrv.exe]  [Beijing Rising Technology Co., Ltd., 4, 0, 0, 32]
    [d:\下载杀毒文件夹\瑞星\rising\rfw\RfwRule.dll]  [Beijing Rising Technology Co., Ltd., 4, 0, 0, 13]
    [d:\下载杀毒文件夹\瑞星\rising\rfw\rfwlog.dll]  [Beijing Rising Technology Co., Ltd., 4, 0, 0, 6]
    [d:\下载杀毒文件夹\瑞星\rising\rfw\Rfwdrv.dll]  [Beijing Rising Technology Co., Ltd., 4, 0, 0, 21]
    [d:\下载杀毒文件夹\瑞星\rising\rfw\MonDrv.dll]  [rs, 1, 0, 0, 4]
    [d:\下载杀毒文件夹\瑞星\rising\rfw\ProcLib.dll]  [Beijing Rising Technology Co., Ltd., 4, 0, 0, 9]
[PID: 1268][C:\WINDOWS\Explorer.EXE]  [Microsoft Corporation, 6.00.2900.2180 (xpsp_sp2_rtm.040803-2158)]
    [C:\WINDOWS\system32\AcSignIcon.dll]  [Autodesk, 16.0.0.86]
    [C:\Program Files\Common Files\Autodesk Shared\AcSignCore16.dll]  [Autodesk, 16.0.0.86]
    [D:\应用文件夹\winrar\rarext.dll]  [N/A, N/A]
    [C:\WINDOWS\system32\RavExt.dll]  [Beijing Rising Technology Co., Ltd., 18, 0, 0, 21]
    [D:\下载杀毒文件夹\Rising\Rav\RSCOMMON.DLL]  [Beijing Rising Technology Co., Ltd., 18, 0, 0, 4]
    [C:\WINDOWS\system32\mskey32.dll]  [Microsoft, 1, 0, 0, 1]
    [D:\下载杀毒文件夹\Rising\Rav\RavScrCh.dll]  [Beijing Rising Technology Co., Ltd., 18, 0, 0, 4]
[PID: 1392][C:\WINDOWS\system32\spoolsv.exe]  [Microsoft Corporation, 5.1.2600.2696 (xpsp_sp2_gdr.050610-1519)]
[PID: 1612][d:\下载杀毒文件夹\瑞星\rising\rfw\RfwMain.exe]  [Beijing Rising Technology Co., Ltd., 4, 0, 0, 52]
    [d:\下载杀毒文件夹\瑞星\rising\rfw\RsGuiLib.dll]  [Beijing Rising Technology Co., Ltd., 18, 0, 0, 23]
    [d:\下载杀毒文件夹\瑞星\rising\rfw\RSCOMMON.DLL]  [Beijing Rising Technology Co., Ltd., 18, 0, 0, 4]
    [d:\下载杀毒文件夹\瑞星\rising\rfw\PngDll.dll]  [Beijing Rising Technology Co., Ltd., 18, 0, 0, 5]
[PID: 1728][C:\WINDOWS\system32\nvsvc32.exe]  [NVIDIA Corporation, 6.14.10.8198]
[PID: 380][C:\WINDOWS\System32\alg.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 916][C:\WINDOWS\system32\wscntfy.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 1120][C:\WINDOWS\system32\svchost.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 1724][C:\DOCUME~1\hnyyzzy\LOCALS~1\Temp\Rar$EX00.766\SREng\SREng.exe]  [Smallfrogs Studio, 2.2.6.605]
    [C:\DOCUME~1\hnyyzzy\LOCALS~1\Temp\Rar$EX00.766\SREng\Plugins\SRECXTMG.SRE]  [Smallfrogs Studio, 1, 5, 0, 55]

==================================
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  OK. ["C:\WINDOWS\hh.exe" %1]
.HLP  OK. [%SystemRoot%\system32\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}]

==================================
Winsock 提供者
N/A

==================================
Autorun.inf
[D:\]
[AutoRun]
open=sxs.exe
shellexecute=sxs.exe
shell\Auto\command=sxs.exe
[E:\]
[AutoRun]
open=sxs.exe
shellexecute=sxs.exe
shell\Auto\command=sxs.exe
[F:\]
[AutoRun]
open=sxs.exe
shellexecute=sxs.exe
shell\Auto\command=sxs.exe
[G:\]
[AutoRun]
open=sxs.exe
shellexecute=sxs.exe
shell\Auto\command=sxs.exe

==================================
HOSTS 文件
127.0.0.1      localhost

硬件没问题