看到版主大大的回复，我连忙扫描，发现回帖中放不下，只能重开一贴。
刚才我在安全模式下用AUTORUNS找到了这个文件，把它删除，另外根据提供的路径我找到了在注册表中这个文件HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce就在这个项下。可是我把它删除后，重新启动，却发现还是没有解决这个问题。
附件中是我的扫描报告。
谢谢版主大大的认真回复。
System Repair Engineer 2.5.16.900
Smallfrogs (http://www.KZTechs.com)
Windows XP Professional Service Pack 2 (Build 2600) - 管理权限用户 - 完整功能
以下内容被选中：
所有的启动项目（包括注册表、启动文件夹、服务等）
浏览器加载项
正在运行的进程（包括进程模块信息）
文件关联
Winsock 提供者
Autorun.inf
HOSTS 文件
进程特权扫描
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]
<MsnMsgr><"C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background> [(Verified)Microsoft Corporation]
[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
<load><> [N/A]
<run><> [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
<360Safetray><C:\Program Files\360safe\safemon\360Tray.exe /start> [奇虎网]
<kav><"C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 6.0\avp.exe"> [Kaspersky Lab]
<SunJavaUpdateSched><"C:\Program Files\Java\jre1.6.0_02\bin\jusched.exe"> [(Verified)"Sun Microsystems, Inc."]
<BluetoothAuthenticationAgent><; rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent> [(Verified)Microsoft Windows Publisher]
[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]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\>{26923b43-4d38-484f-9b9e-de460746276c}]
<Internet Explorer><%systemroot%\system32\shmgrate.exe OCInstallUserConfigIE> [N/A]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\>{881dd1c5-3dcf-431b-b061-f3f88e8be88a}]
<Outlook Express><%systemroot%\system32\shmgrate.exe OCInstallUserConfigOE> [N/A]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{2C7339CF-2B09-4501-B3F3-F3508C9228ED}]
<Themes Setup><%SystemRoot%\system32\regsvr32.exe /s /n /i:/UserInstall %SystemRoot%\system32\themeui.dll> [N/A]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{44BBA840-CC51-11CF-AAFA-00AA00B6015C}]
<Microsoft Outlook Express 6><"%ProgramFiles%\Outlook Express\setup50.exe" /APP:OE /CALLER:WINNT /user /install> [N/A]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{44BBA842-CC51-11CF-AAFA-00AA00B6015B}]
<NetMeeting 3.01><rundll32.exe advpack.dll,LaunchINFSection C:\WINDOWS\INF\msnetmtg.inf,NetMtg.Install.PerUser.NT> [(Verified)Microsoft Windows Publisher]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{5945c046-1e7d-11d1-bc44-00c04fd912be}]
<Windows Messenger 4.7><rundll32.exe advpack.dll,LaunchINFSection C:\WINDOWS\INF\msmsgs.inf,BLC.QuietInstall.PerUser> [(Verified)Microsoft Windows Publisher]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{6BF52A52-394A-11d3-B153-00C04F79FAA6}]
<Microsoft Windows Media Player><rundll32.exe advpack.dll,LaunchINFSection C:\WINDOWS\INF\wmp.inf,PerUserStub> [(Verified)Microsoft Windows Publisher]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{7790769C-0471-11d2-AF11-00C04FA35D02}]
<通讯簿 6><"%ProgramFiles%\Outlook Express\setup50.exe" /APP:WAB /CALLER:WINNT /user /install> [N/A]
==================================
启动文件夹
N/A
==================================
服务
N/A
==================================
驱动程序
[Apple Trackpad filter / aapltctp][Running/Manual Start]
<system32\DRIVERS\aapltctp.sys><Apple Computer, Inc.>
[Apple Trackpad Driver / aapltp][Running/Manual Start]
<system32\DRIVERS\aapltp.sys><Apple Computer, Inc.>
[Atheros AR5008 Wireless Network Adapter Service / AR5416][Running/Manual Start]
<system32\DRIVERS\ar5416.sys><Atheros Communications, Inc.>
[Apple Bluetooth Kicker Driver / BLUETOOTH_KICKER][Stopped/Manual Start]
<System32\Drivers\BthKicker.sys><Apple Computer, Inc.>
[Cdsys / Cdsys][Stopped/Manual Start]
<\??\C:\WINDOWS\system32\cdcd.sys><N/A>
[iSight Filter Driver / DevUpper][Running/Manual Start]
<system32\DRIVERS\iSightFT.sys><Apple Computer, Inc.>
[egsrzbof / egsrzbof][Running/Boot Start]
<\SystemRoot\System32\DRIVERS\egsrzbof.sys><Yahoo! China Corporation>
[Microsoft UAA Bus Driver for High Definition Audio / HDAudBus][Running/Manual Start]
<system32\DRIVERS\HDAudBus.sys><Windows (R) Server 2003 DDK provider>
[ialm / ialm][Running/Manual Start]
<system32\DRIVERS\igxpmp32.sys><Intel Corporation>
[iSight Update Driver / iSightUpdate][Stopped/Manual Start]
<system32\DRIVERS\iSightUP.sys><Apple Computer, Inc.>
[USB Keyboard HID Filter / keymagic][Running/Auto Start]
<system32\DRIVERS\KeyMagic.sys><Apple Computer, Inc.>
[kl1 / kl1][Running/Boot Start]
<\SystemRoot\system32\drivers\kl1.sys><Kaspersky Lab>
[klif / klif][Running/System Start]
<\??\C:\WINDOWS\system32\drivers\klif.sys><Kaspersky Lab>
[mszstb / mszstb][Stopped/Auto Start]
<\??\C:\WINDOWS\system32\drivers\mszstb.sys><N/A>
[Nokia USB Phone Parent / nmwcd][Stopped/Manual Start]
<system32\drivers\nmwcd.sys><Nokia>
[Nokia USB Generic / nmwcdc][Stopped/Manual Start]
<system32\drivers\nmwcdc.sys><Nokia>
[Nokia USB Port / nmwcdcj][Stopped/Manual Start]
<system32\drivers\nmwcdcj.sys><Nokia>
[Nokia USB Modem / nmwcdcm][Stopped/Manual Start]
<system32\drivers\nmwcdcm.sys><Nokia>
[npkcrypt / npkcrypt][Running/Auto Start]
<\??\C:\Program Files\Tencent\QQ\npkcrypt.sys><INCA Internet Co., Ltd.>
[npkcusb / npkcusb][Running/Manual Start]
<\??\C:\Program Files\Tencent\QQ\npkcusb.sys><INCA Internet Co., Ltd.>
[Direct Parallel Link Driver / Ptilink][Running/Manual Start]
<system32\DRIVERS\ptilink.sys><Parallel Technologies, Inc.>
[Secdrv / Secdrv][Stopped/Manual Start]
<system32\DRIVERS\secdrv.sys><N/A>
[Sony USB Filter Driver (SONYPVU1) / SONYPVU1][Stopped/Manual Start]
<system32\DRIVERS\SONYPVU1.SYS><Sony Corporation>
[StartupDiskDriver / StartupDiskDriver][Stopped/Manual Start]
<\??\C:\WINDOWS\system32\DRIVERS\StartupDiskDriver.sys><Apple Computer, Inc.>
[SigmaTel High Definition Audio CODEC / STHDA][Running/Manual Start]
<system32\drivers\sthda.sys><SigmaTel, Inc.>
[TSP / TSP][Stopped/Manual Start]
<\??\C:\WINDOWS\system32\drivers\klif.sys><Kaspersky Lab>
[vwx / vwx8][Running/Boot Start]
<\SystemRoot\System32\DRIVERS\vwx8.sys><N/A>
[w4sfau2 / w4sfau2][Running/Auto Start]
<\??\C:\WINDOWS\system32\drivers\w4sfau2.sys><N/A>
[World Standard Teletext Codec / WSTCODEC][Stopped/Manual Start]
<system32\DRIVERS\WSTCODEC.SYS><Microsoft Corporation>
[XPROTECTOR / XPROTECTOR][Running/Auto Start]
<\??\C:\WINDOWS\system32\drivers\Xprotector.sys><N/A>
[NDIS5.1 Miniport Driver for Marvell Yukon Ethernet Controller / yukonwxp][Running/Manual Start]
<system32\DRIVERS\yk51x86.sys><Marvell>
