XP SP2系统，开机进入桌面后，过了几秒钟，突然“蹦”的一声，提示错误提示音，但是没有提示画面，请问是怎么回事？
附上图片开机进程、SREng启动项、SREng扫描日志。

启动项图片

HOSTS 文件


启动项目
注册表
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
    <ctfmon.exe><C:\WINDOWS\system32\ctfmon.exe>  [(Verified)Microsoft Windows Publisher]
    <bgswitch><; C:\WINDOWS\system32\bgswitch.exe>  []
    <恢复BOOT菜单><; c:\windows\BOOT-hf.exe>  [N/A]
[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <load><>  [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
    <RavTask><"d:\Program Files\Rising\Rav\RavTask.exe" -system>  [Beijing Rising Technology Co., Ltd.]
    <RfwMain><"d:\Program Files\Rising\Rfw\rfwmain.exe" -Startup>  [Beijing Rising Technology Co., Ltd.]
    <runeip><F:\Program Files\Rising\AntiSpyware\runiep.exe>  [Beijing Rising Technology Co., Ltd.]
    <TkBellExe><; "C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot>  [RealNetworks, Inc.]
    <ATICCC><; "C:\Program Files\ATI Technologies\ATI.ACE\CLIStart.exe">  [N/A]
    <ATIModeChange><; Ati2mdxx.exe>  [(Verified)Microsoft Windows Hardware Compatibility Publisher]
    <ATIPTA><; C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe>  [ATI Technologies, Inc.]
    <BigDogPath><; C:\WINDOWS\VM_STI.EXE USB PC Camera 301P>  [N/A]
    <DAEMON Tools><; "g:\Program Files\DAEMON Tools\daemon.exe" -lang 1033>  [(Verified)DAEMON Tools Code Signing Services]
    <DaemonTools_WhenUSave_Installer><; C:\Program Files\DaemonTools_WhenUSave_Installer\DaemonTools_WhenUSave_Installer.exe>  [WhenU.com, Inc.]
    <IMJPMIG8.1><; "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32>  [(Verified)Microsoft Windows Publisher]
    <NetPlayerAgent><; g:\Program Files\BofulNetworks\TMPlayer\PlayerAgent.exe>  []
    <PHIME2002A><; C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName>  [(Verified)Microsoft Windows Publisher]
    <PHIME2002ASync><; C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC>  [(Verified)Microsoft Windows Publisher]
    <WinampAgent><; g:\Program Files\Winamp\winampa.exe>  [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <shell><Explorer.exe>  [(Verified)Microsoft Windows Publisher]
    <Userinit><C:\Windows\system32\userinit.exe,>  [(Verified)Microsoft Windows Publisher]
[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 Windows Publisher]

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

==================================
服务
[Ati HotKey Poller / Ati HotKey Poller][Stopped/Disabled]
  <C:\WINDOWS\system32\Ati2evxx.exe><ATI Technologies Inc.>
[ATI Smart / ATI Smart][Stopped/Disabled]
  <C:\WINDOWS\system32\ati2sgag.exe><>
[Human Interface Device Access / HidServ][Stopped/Disabled]
  <C:\WINDOWS\System32\svchost.exe -k netsvcs-->%SystemRoot%\System32\hidserv.dll><N/A>
[Macromedia Licensing Service / Macromedia Licensing Service][Stopped/Manual Start]
  <"C:\Program Files\Common Files\Macromedia Shared\Service\Macromedia Licensing.exe"><>
[Win32 Debug Service / MSDebugsvc][Stopped/Auto Start]
  <C:\WINDOWS\system32\\rundll32.exe msdebug.dll,input><Microsoft Corporation>
[Rising Proxy  Service / RfwProxySrv][Stopped/Manual Start]
  <d:\program files\rising\rfw\rfwproxy.exe><Beijing Rising Technology Co., Ltd.>
[Rising Personal Firewall Service / RfwService][Running/Auto Start]
  <d:\program files\rising\rfw\rfwsrv.exe><Beijing Rising Technology Co., Ltd.>
[Rising Process Communication Center / RsCCenter][Running/Auto Start]
  <"d:\Program Files\Rising\Rav\CCenter.exe"><Beijing Rising Technology Co., Ltd.>
[Rising RealTime Monitor / RsRavMon][Running/Auto Start]
  <"d:\Program Files\Rising\Rav\Ravmond.exe"><Beijing Rising Technology Co., Ltd.>
[SmartLinkService / SLService][Running/Auto Start]
  <slserv.exe><Smart Link>
[User Profile Hive Cleanup / UPHClean][Running/Auto Start]
  <C:\Program Files\UPHClean\uphclean.exe><Microsoft Corporation>

==================================
驱动程序
[a347bus / a347bus][Running/Boot Start]
  <\SystemRoot\system32\DRIVERS\a347bus.sys><>
[a347scsi / a347scsi][Running/Boot Start]
  <\SystemRoot\System32\Drivers\a347scsi.sys><>
[Intel(r) 82801 Audio Driver Install Service (WDM) / ac97intc][Stopped/Manual Start]
  <system32\drivers\ac97intc.sys><Intel Corporation>
[AliIde / AliIde][Stopped/Boot Start]
  <\SystemRoot\System32\DRIVERS\aliide.sys><N/A>
[标准 IDE/ESDI 硬盘控制器 / atapi][Running/Boot Start]
  <\SystemRoot\system32\DRIVERS\atapi.sys><N/A>
[ati2mtag / ati2mtag][Running/Manual Start]
  <system32\DRIVERS\ati2mtag.sys><ATI Technologies Inc.>
[Rising TDI Base Driver / BaseTDI][Running/Auto Start]
  <System32\DRIVERS\BaseTDI.SYS><Beijing Rising Technology Co., Ltd.>
[CmdIde / CmdIde][Running/Boot Start]
  <\SystemRoot\System32\DRIVERS\cmdide.sys><CMD Technology, Inc.>
[ExpScaner / ExpScaner][Running/Auto Start]
  <\??\d:\Program Files\Rising\Rav\ExpScan.sys><>
[VIA PCI 10/100Mb Fast Ethernet Adapter NT Driver / FETNDIS][Running/Manual Start]
  <system32\DRIVERS\fetnd5a.sys><VIA Technologies, Inc.>
[VIA Rhine Family Fast Ethernet Adapter Driver Service / FETNDISB][Stopped/Manual Start]
  <system32\DRIVERS\fetnd5b.sys><VIA Technologies, Inc.>
[HookCont / HookCont][Running/Auto Start]
  <\??\d:\Program Files\Rising\Rav\HOOKCONT.sys><Rising>
[HookReg / HookReg][Running/Auto Start]
  <\??\d:\Program Files\Rising\Rav\HookReg.sys><>
[HookSys / HookSys][Running/Auto Start]
  <\??\d:\Program Files\Rising\Rav\HookSys.sys><Rising>
[HookUrl / HookUrl][Running/Auto Start]
  <\??\d:\Program Files\Rising\Rfw\HookUrl.sys><Beijing Rising Technology Co., Ltd.>
[HWiNFO32 Kernel Driver / HWiNFO32][Running/Auto Start]
  <\??\C:\Program Files\HWiNFO32\HWiNFO32.SYS><REALiX(tm)>
[kmsinput / kmsinput][Stopped/Manual Start]
  <\??\C:\WINDOWS\system32\drivers\kmsinput.sys><N/A>
[MegaIDE / MegaIDE][Running/Boot Start]
  <\SystemRoot\System32\DRIVERS\MegaIDE.sys><LSI Logic Corporation.>
[MEMSCAN / MEMSCAN][Running/Auto Start]
  <\??\d:\Program Files\Rising\Rav\MEMSCAN.sys><瑞星软件有限公司>
[mProcRs / mProcRs][Running/Auto Start]
  <\??\d:\program files\rising\rfw\mProcRs.sys><Beijing Rising Technology Co., Ltd.>
[Mtlmnt5 / Mtlmnt5][Running/Manual Start]
  <system32\DRIVERS\Mtlmnt5.sys><Smart Link>
[Mtlstrm / Mtlstrm][Stopped/Manual Start]
  <system32\DRIVERS\Mtlstrm.sys><Smart Link>
[npkcrypt / npkcrypt][Running/Auto Start]
  <\??\F:\Program Files\QQ2005\npkcrypt.sys><INCA Internet Co., Ltd.>
[NtMtlFax / NtMtlFax][Stopped/Manual Start]
  <system32\DRIVERS\NtMtlFax.sys><Smart Link>
[nv / nv][Stopped/Manual Start]
  <system32\DRIVERS\nv4_mini.sys><NVIDIA Corporation>
[Service for NVIDIA(R) nForce(TM) MIDI UART / nvmpu401][Running/Manual Start]
  <system32\drivers\nvmpu401.sys><NVIDIA Corporation>
[Enumerador de dispositivos de NTPAD / padenum][Running/Manual Start]
  <system32\DRIVERS\padenum.sys><Windows (R) 2000 DDK provider>
[Psx Hid to Gamepad Port Enabler / PSXGamepadEnabler][Running/Manual Start]
  <system32\drivers\psxpad.sys><Y.Kimura>
[Psx Port Enumerator / PsxPortEnumerator][Running/Manual Start]
  <System32\Drivers\psxenum.sys><Y.Kimura>
[Direct Parallel Link Driver / Ptilink][Running/Manual Start]
  <system32\DRIVERS\ptilink.sys><Parallel Technologies, Inc.>
[QuakeDRV / QuakeDRV][Stopped/Boot Start]
  <\SystemRoot\system32\DRIVERS\quakedrv.sys><N/A>
[RecAgent / RecAgent][Running/Boot Start]
  <\SystemRoot\system32\DRIVERS\RecAgent.sys><Smart Link>
[RsAntiSpyware / RsAntiSpyware][Running/Boot Start]
  <\SystemRoot\system32\drivers\RsBoot.sys><Beijing Rising>
[RsFwDrv / RsFwDrv][Running/Auto Start]
  <\??\d:\Program Files\Rising\Rfw\RsFwDrv.sys><Beijing Rising Technology Co., Ltd.>
[RsNTGDI / RsNTGDI][Running/Boot Start]
  <\SystemRoot\system32\Drivers\RsNTGdi.sys><Beijing Rising Technology Co., Ltd.>
[RSPPSYS / RSPPSYS][Running/Auto Start]
  <\??\d:\Program Files\Rising\Rav\RSPPSYS.sys><Rising>
[Secdrv / Secdrv][Running/Auto Start]
  <system32\DRIVERS\secdrv.sys><Macrovision Corporation, Macrovision Europe Limited, and Macrovision Japan and Asia K.K.>
[SetupNT / SetupNT][Running/Auto Start]
  <\SystemRoot\system32\SetupNT.sys><N/A>
[Smart Link 56K Modem Driver / Slntamr][Running/Manual Start]
  <system32\DRIVERS\slntamr.sys><Smart Link>
[SlNtHal / SlNtHal][Stopped/Manual Start]
  <system32\DRIVERS\Slnthal.sys><Smart Link>
[SlWdmSup / SlWdmSup][Running/Manual Start]
  <system32\DRIVERS\SlWdmSup.sys><Smart Link>
[Sony USB Filter Driver (SONYPVU1) / SONYPVU1][Stopped/Manual Start]
  <system32\DRIVERS\SONYPVU1.SYS><Sony Corporation>
[sptd / sptd][Running/Boot Start]
  <\SystemRoot\System32\Drivers\sptd.sys><N/A>
[Driver para joystick paralelo de consola / VendorJoystickEnabler][Stopped/Manual Start]
  <system32\drivers\ntpad.sys><Triforce>
[VIA AGP Filter / viaagp1][Running/Boot Start]
  <\SystemRoot\system32\DRIVERS\viaagp1.sys><VIA Technologies, Inc.>
[ViaIde / ViaIde][Running/Boot Start]
  <\SystemRoot\system32\DRIVERS\viaide.sys><Microsoft Corporation>
[VIA AC'97 Enhanced Audio Controller (WDM) / VIAudio][Running/Manual Start]
  <system32\drivers\viaudio.sys><VIA Technologies, Inc.>
[World Standard Teletext Codec / WSTCODEC][Stopped/Manual Start]
  <system32\DRIVERS\WSTCODEC.SYS><Microsoft Corporation>
[USB PC Camera 301P / ZSMC301b][Running/Manual Start]
  <System32\Drivers\usbVM31b.sys><VM>

==================================
浏览器加载项
[Thunder Browser Helper]
  {11F09AFC-75AD-4E51-AB43-E09E9351CE16} <f:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_007.dll, Thunder Networking Technologies,LTD>
[启动迅雷5]
  {09BA8F6D-CB54-424B-839C-C2A6C8E6B436} <f:\Program Files\Thunder Network\Thunder\Thunder.exe, Thunder Networking Technologies,LTD>
[微软]
  {6096E38F-5AC1-4391-8EC4-75DFA92FB32F} <http://www.microsoft.com/china/index.htm, N/A>
[QQ]
  {c95fe080-8f5d-11d2-a20b-00aa003c157b} <f:\Program Files\QQ2005\QQ.EXE, TENCENT>
[Messenger]
  {FB5F1910-F110-11d2-BB9E-00C04F795683} <C:\Program Files\Messenger\msmsgs.exe, Microsoft Corporation>
[卡卡上网安全助手]
  {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} <C:\WINDOWS\system32\kakatool.dll, Beijing Rising Technology Co., Ltd.>
[GLAvatar Control]
  {61238DE1-3317-4322-89AC-AC844831380D} <F:\PROGRA~1\GLOBAL~1\Game\share\GLAVAT~1.OCX, >
[Shockwave Flash Object]
  {D27CDB6E-AE6D-11CF-96B8-444553540000} <C:\WINDOWS\system32\Macromed\Flash\Flash9c.ocx, Adobe Systems, Inc.>
[Thunder Browser Helper]
  {11F09AFC-75AD-4E51-AB43-E09E9351CE16} <f:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_007.dll, Thunder Networking Technologies,LTD>
[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>
[DHTML Edit Control Safe for Scripting for IE5]
  {2D360201-FFF5-11D1-8D03-00A0C959BC0A} <C:\Program Files\Common Files\Microsoft Shared\Triedit\dhtmled.ocx, 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>
[RMGetLicense Class]
  {A9FC132B-096D-460B-B7D5-1DB0FAE0C062} <C:\WINDOWS\system32\msnetobj.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\Flash9c.ocx, Adobe Systems, Inc.>
[卡卡上网安全助手]
  {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} <C:\WINDOWS\system32\kakatool.dll, Beijing Rising Technology Co., Ltd.>
[&V使用Vagaa哇嘎下载]
  <F:\Vagaa\Data\vg.htm, N/A>
[上传到QQ网络硬盘]
  <F:\Program Files\QQ2005\AddToNetDisk.htm, N/A>
[添加到QQ自定义面板]
  <F:\Program Files\QQ2005\AddPanel.htm, N/A>
[添加到QQ表情]
  <F:\Program Files\QQ2005\AddEmotion.htm, N/A>
[用QQ彩信发送该图片]
  <F:\Program Files\QQ2005\SendMMS.htm, N/A>

==================================
正在运行的进程
[PID: 628][\SystemRoot\System32\smss.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 692][\??\C:\WINDOWS\system32\csrss.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 716][\??\C:\WINDOWS\system32\winlogon.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
    [C:\WINDOWS\system32\Ati2evxx.dll]  [ATI Technologies Inc., 6.14.10.4113]
    [C:\WINDOWS\system32\msacm32.drv]  [Microsoft Corporation, 5.1.2600.0 (xpclient.010817-1148)]
[PID: 760][C:\WINDOWS\system32\services.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 772][C:\WINDOWS\system32\lsass.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 1636][C:\WINDOWS\Explorer.EXE]  [Microsoft Corporation, 6.00.2900.2180 (xpsp_sp2_rtm.040803-2158)]
    [C:\WINDOWS\system32\msacm32.drv]  [Microsoft Corporation, 5.1.2600.0 (xpclient.010817-1148)]
    [f:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_007.dll]  [Thunder Networking Technologies,LTD, 5, 0, 1, 4]
    [C:\Program Files\Microsoft Office\OFFICE11\msohev.dll]  [Microsoft Corporation, 11.0.5510]
[PID: 1996][d:\program files\rising\rfw\RfwMain.exe]  [Beijing Rising Technology Co., Ltd., 5, 0, 0, 70]
    [d:\program files\rising\rfw\RsGuiLib.dll]  [Beijing Rising Technology Co., Ltd., 19, 0, 0, 33]
    [d:\program files\rising\rfw\RSCOMMON.DLL]  [Beijing Rising Technology Co., Ltd., 19, 0, 0, 5]
    [d:\program files\rising\rfw\RfwCtrl.dll]  [Beijing Rising Technology Co., Ltd., 5, 0, 0, 11]
    [d:\program files\rising\rfw\RsXML.dll]  [Beijing Rising Technology Co., Ltd., 19, 0, 0, 2]
    [d:\program files\rising\rfw\PngDll.dll]  [Beijing Rising Technology Co., Ltd., 18, 0, 0, 5]
[PID: 2020][C:\Program Files\Common Files\Real\Update_OB\realsched.exe]  [RealNetworks, Inc., 0.1.0.3275]
[PID: 204][C:\WINDOWS\system32\ctfmon.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 2728][C:\WINDOWS\system32\mspaint.exe]  [Microsoft Corporation, 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)]
[PID: 4004][D:\TDDOWNLOAD\sreng2\SREng.EXE]  [Smallfrogs Studio, 2.4.12.806]
    [D:\TDDOWNLOAD\sreng2\Plugins\NWMON.SRE]  [Smallfrogs Studio, 1, 0, 0, 8]
    [C:\PROGRA~1\MICROS~2\OFFICE11\MCPS.DLL]  [Microsoft Corporation, 11.0.6357]

==================================
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
N/A

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

==================================
API HOOK
N/A

==================================
隐藏进程
N/A

==================================


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