这两天网络总是断线，60秒后重新连接（很频繁），瑞星和360度查不出任何病毒（电信的也来检测过了他们那没问题）。现把日志扫描放上，请高手帮忙看看日志有问题吗，怎样能解决我的问题呢，谢谢了。
操作系统：  Windows XP SP2 (WinNT 5.01.2600)
浏览器：    Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\WINDOWS\Explorer.EXE
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Rising\Rav\RavStub.exe
c:\program files\rising\rfw\RfwMain.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\VM303_STI.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Rising\Rav\RavTask.exe
C:\Program Files\Rising\Rav\Ravmon.exe
F:\淘宝旺旺\WangWang.EXE
C:\Program Files\Rising\Rav\RsAgent.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\WINDOWS\msagent\AgentSvr.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
D:\Program Files\Thunder Network\Thunder\Program\Thunder5.exe
C:\WINDOWS\system32\conime.exe
C:\新建文件夹\WebThunder.exe
E:\QQ\QQ.exe
E:\QQ\TIMPlatform.exe
E:\QQ\QQ.exe
C:\Program Files\Internet Explorer\iexplore.exe
F:\新建文件夹\HijackThis1991【teyqiu】.exe

R3 - URLSearchHook: Tencent SearchHook - {DB8B2393-7A6C-4C76-88CE-6B1F6FF6FFE9} - C:\Program Files\TENCENT\Adplus\SSAddr.dll
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe
O2 - BHO: WebThunderBHO - {00000AAA-A363-466E-BEF5-9BB68697AA7F} - C:\新建文件夹\WebThunderBHO_015.dll
O2 - BHO: 中文搜搜 - {0C7C23EF-A848-485B-873C-0ED954731014} - C:\Program Files\TENCENT\Adplus\SSAddr.dll
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - E:\QQ\QQIEHelper.dll
O2 - BHO: (no name) - {669751ED-D558-49AE-B01A-3B374CC7910E} - C:\WINDOWS\system32\ssup.dll
O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - D:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_002.dll
O3 - IE工具栏增项: BitComet工具栏 - {3F1ABCDB-A875-46c1-8345-B72A4567E486} - C:\Program Files\BitComet\BitCometBar\BitCometBar0.6.dll
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: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - 启动项HKLM\\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - 启动项HKLM\\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - 启动项HKLM\\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - 启动项HKLM\\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - 启动项HKLM\\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - 启动项HKLM\\Run: [Thunder] "D:\Program Files\Thunder Network\Thunder\Thunder.exe" /s
O4 - 启动项HKLM\\Run: [popo2004] D:\Program Files\Netease\popo2004\Start.exe
O4 - 启动项HKLM\\Run: [BigDog303] C:\WINDOWS\VM303_STI.EXE VIMICRO USB PC Camera (ZC0301PLH)
O4 - 启动项HKLM\\Run: [SoundMan] SOUNDMAN.EXE
O4 - 启动项HKLM\\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - 启动项HKLM\\Run: [WangWang] "F:\淘宝旺旺\WangWang.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: [stup.exe] C:\PROGRA~1\TENCENT\Adplus\stup.exe
O4 - 启动项HKLM\\RunOnce: [RavStub] "C:\Program Files\Rising\Rav\ravstub.exe" /RUNONCE
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Startup: 腾讯QQ.lnk = E:\QQ\QQ.exe
O4 - Global Startup: Microsoft Office.lnk = D:\Program Files\Microsoft Office\Office\OSA9.EXE
O8 - IE右键菜单中的新增项目: &使用迅雷下载 - D:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm
O8 - IE右键菜单中的新增项目: &使用迅雷下载全部链接 - D:\Program Files\Thunder Network\Thunder\Program\GetAllUrl.htm
O8 - IE右键菜单中的新增项目: 上传到QQ网络硬盘 - E:\QQ\AddToNetDisk.htm
O8 - IE右键菜单中的新增项目: 添加到QQ自定义面板 - E:\QQ\AddPanel.htm
O8 - IE右键菜单中的新增项目: 添加到QQ表情 - E:\QQ\AddEmotion.htm
O8 - IE右键菜单中的新增项目: 用QQ彩信发送该图片 - E:\QQ\SendMMS.htm
O9 - 浏览器额外的按钮: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - 浏览器额外的“工具”菜单项: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {3D8F74EE-8692-4F8F-B8D2-7522E732519E} (WebActivater Control) -
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1163724904203
O17 - HKLM\System\CCS\Services\Tcpip\..\{4C8CDD48-CB12-404E-AD29-5FB9485D1440}: NameServer = 211.98.2.4,211.98.4.1
O17 - HKLM\System\CCS\Services\Tcpip\..\{F12FE30F-F893-448B-B84C-9E17DC0F03BE}: NameServer = 202.101.172.46 202.101.172.47
O17 - HKLM\System\CS1\Services\Tcpip\..\{4C8CDD48-CB12-404E-AD29-5FB9485D1440}: NameServer = 211.98.2.4,211.98.4.1
O17 - HKLM\System\CS2\Services\Tcpip\..\{4C8CDD48-CB12-404E-AD29-5FB9485D1440}: NameServer = 211.98.2.4,211.98.4.1
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
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