每当打开一个网页，屏幕上总会出现两面星的注册表选项修改的界面提示！！！

求救如何来处理这一个现象。

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
    <ctfmon.exe><C:\WINDOWS\system32\ctfmon.exe>  [Microsoft Corporation]
[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <load><>  []
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
    <IMJPMIG8.1><"C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32>  [Microsoft Corporation]
    <PHIME2002ASync><C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC>  [Microsoft Corporation]
    <PHIME2002A><C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName>  [Microsoft Corporation]
    <SigmatelSysTrayApp><stsystra.exe>  [SigmaTel, Inc.]

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
    <ctfmon.exe><C:\WINDOWS\system32\ctfmon.exe>  [Microsoft Corporation]
[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <load><>  []
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
    <IMJPMIG8.1><"C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32>  [Microsoft Corporation]
    <PHIME2002ASync><C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC>  [Microsoft Corporation]
    <PHIME2002A><C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName>  [Microsoft Corporation]
    <SigmatelSysTrayApp><stsystra.exe>  [SigmaTel, Inc.]

<igfxtray><C:\WINDOWS\system32\igfxtray.exe>  [Intel Corporation]
    <igfxhkcmd><C:\WINDOWS\system32\hkcmd.exe>  [Intel Corporation]
    <igfxpers><C:\WINDOWS\system32\igfxpers.exe>  [Intel Corporation]
    <IntelZeroConfig><"C:\Program Files\Intel\Wireless\bin\ZCfgSvc.exe">  [Intel Corporation]
    <IntelWireless><"C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe" /tf Intel PROSet/Wireless>  [Intel Corporation]
    <IMSCMig><C:\PROGRA~1\COMMON~1\MICROS~1\IME\IMSC40A\IMSCMIG.EXE /Preload>  [Microsoft Corporation]
    <ISUSPM Startup><C:\PROGRA~1\COMMON~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup>  [InstallShield Software Corporation]
    <ISUSScheduler><"C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start>  [InstallShield Software Corporation]
    <TkBellExe><"C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot>  [RealNetworks, Inc.]
    <RavTask><"C:\Program Files\Rising\Rav\RavTask.exe" -system>  [Beijing Rising Technology Co., Ltd.]
    <DLA><C:\WINDOWS\System32\DLA\DLACTRLW.EXE>  [Sonic Solutions]
    <stup.exe><C:\PROGRA~1\TENCENT\Adplus\stup.exe>  []
    <Alitalk><E:\贸易通\贸易通\AliTalk.EXE -hideframe>  [Alibaba]

<Install Alitalk><C:\WINDOWS\temp\alitalk\alitalk.exe -hideframe>  []
    <CertificateRegistration><SafeSignCertReg.exe>  [A.E.T. Europe B.V.]
    <YLive.exe><C:\PROGRA~1\Yahoo!\ASSIST~1\YLive.exe>  [Yahoo! China]
    <yassistse><"C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe">  [Yahoo! China]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce]
    <RavStub><"C:\Program Files\Rising\Rav\ravstub.exe" /RUNONCE>  [Beijing Rising Technology Co., Ltd.]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <shell><Explorer.exe>  [Microsoft Corporation]
    <Userinit><C:\WINDOWS\system32\userinit.exe,>  [Microsoft Corporation]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <AppInit_DLLs><>  []

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <UIHost><logonui.exe>  [Microsoft Corporation]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks]
    <{32CD708B-60A7-4C00-9377-D73EAA495F0F}><C:\WINDOWS\system32\RavExt.dll>  [Beijing Rising Technology Co., Ltd.]
    <{D157330A-9EF3-49F8-9A67-4141AC41ADD4}><C:\WINDOWS\DOWNLO~1\CnsHook.dll>  [北京三七二一科技有限公司]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\igfxcui]
    <WinlogonNotify: igfxcui><igfxdev.dll>  [Intel Corporation]

v\[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
    <ctfmon.exe><C:\WINDOWS\system32\ctfmon.exe>  [Microsoft Corporation]
[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <load><>  []
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
    <IMJPMIG8.1><"C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32>  [Microsoft Corporation]
    <PHIME2002ASync><C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC>  [Microsoft Corporation]
    <PHIME2002A><C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName>  [Microsoft Corporation]
    <SigmatelSysTrayApp><stsystra.exe>  [SigmaTel, Inc.]
    <igfxtray><C:\WINDOWS\system32\igfxtray.exe>  [Intel Corporation]
    <igfxhkcmd><C:\WINDOWS\system32\hkcmd.exe>  [Intel Corporation]
    <igfxpers><C:\WINDOWS\system32\igfxpers.exe>  [Intel Corporation]