每天晚上到2点多的时候我的电脑就会死机!请问下怎么回事啊!
下面是我的日志！

HijackThis_815汉化版扫描日志 V1.99.1
保存于      3:13:39, 日期 2007-8-23
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
D:\瑞星杀毒软件\Rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
D:\瑞星杀毒软件\RISING\RAV\Ravmond.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\system32\spoolsv.exe
D:\瑞星杀毒软件\RISING\RAV\RavStub.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\ctfmon.exe
c:\program files\rising\rfw\RfwMain.exe
D:\瑞星杀毒软件\Rising\Rav\RavTask.exe
D:\瑞星杀毒软件\Rising\Rav\Ravmon.exe
C:\Program Files\360safe\safemon\360Tray.exe
C:\WINDOWS\system32\rundll32.exe
D:\迅雷下载器\Program\Thunder5.exe
F:\QQ\QQ.exe
F:\QQ\TIMPlatform.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\HijackThis\HijackThis1991zww.exe

R3 - 默认的URLSearchHook丢失。用HijackThis修复
O2 - BHO: Thunder AtOnce - {01443AEC-0FD1-40fd-9C87-E93D1494C233} - D:\迅雷下载器\ComDlls\TDAtOnce_Now.dll
O2 - BHO: ThunderBHO - {B69F34DC-F0F9-42DC-9EDD-957187DA688D} - D:\迅雷下载器\ComDlls\xunleiBHO_Now.dll
O2 - BHO: NavigatMon Class - {B69F34DD-F0F9-42DC-9EDD-957187DA688D} - C:\PROGRA~1\360safe\safemon\safemon.dll
O2 - BHO: yFlashDl Class - {F166BC04-3C84-44cc-A6E9-2315EC4844B9} - (no file)
O4 - 启动项HKLM\\Run: [runeip] "C:\Program Files\Rising\KakaToolBar\runiep.exe" /startup
O4 - 启动项HKLM\\Run: [nwiz] nwiz.exe /install
O4 - 启动项HKLM\\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot
O4 - 启动项HKLM\\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - 启动项HKLM\\Run: [RavTask] "D:\瑞星杀毒软件\Rising\Rav\RavTask.exe" -system
O4 - 启动项HKLM\\Run: [360Safetray] C:\Program Files\360safe\safemon\360Tray.exe /start
O4 - 启动项HKLM\\Run: [Storm2Set] C:\WINDOWS\system32\rundll32.exe "C:\PROGRA~1\StormII\StormSet.dll",CheckEnv
O4 - 启动项HKLM\\Run: [Thunder] "D:\迅雷下载器\Thunder.exe" /s
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\CTFMON.EXE
O8 - IE右键菜单中的新增项目: 使用迅雷下载 - D:\迅雷下载器\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:\迅雷下载器\Program\getallurl.htm
O9 - 浏览器额外的按钮: 启动迅雷5 - {09BA8F6D-CB54-424B-839C-C2A6C8E6B436} - D:\迅雷下载器\Thunder.exe
O9 - 浏览器额外的“工具”菜单项: 启动迅雷5 - {09BA8F6D-CB54-424B-839C-C2A6C8E6B436} - D:\迅雷下载器\Thunder.exe
O10 - Broken Internet access because of LSP provider 'c:\windows\system32\cdnns.dll' missing
O16 - DPF: {05C1004E-2596-48E5-8E26-39362985EEB9} - http://p3p.sogou.com/MMCShell.cab
O16 - DPF: {2375BEE5-F175-4F1C-81EC-8E4E2E72E2DD} (PhotoDraw Class) - http://photo.qq.com/qzone_v4/QzoneMediaTools.cab
O16 - DPF: {5EC7C511-CD0F-42E6-830C-1BD9882F3458} (PowerPlayer Control) - http://download.ppstream.com/bin/powerplayer.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1133281680437
O16 - DPF: {ACFE8232-03C5-4AEC-AF5E-42B806724096} (KSHScan Control) - http://safe.qq.com/scan/KAllScan.CAB
O16 - DPF: {C09B522F-8AED-4E21-A65C-DC1AB652BAEE} (Tencent Safety Online Base Module) - http://safe.qq.com/cgi-bin/tso/TSOBase.ocx
O16 - DPF: {C661F36D-DF85-4EF4-83C7-E107B83D04B1} (WebActivater Control) - http://dl_dir.qq.com/3dshow/3DShowVM.cab
O16 - DPF: {DA984A6D-508E-11D6-AA49-0050FF3C628D} (Ravonline) - http://download.rising.com.cn/QQ/QQkill/rsonline.cab
O16 - DPF: {DC7094C6-8F61-42ED-AECE-63F5EEF647C5} (UpdateC2 Control) - http://www.uusee.com/player/updateC2.cab
O16 - DPF: {E787FD25-8D7C-4693-AE67-9406BC6E22DF} (PasswordEditCtrl Class) - https://password.qq.com/download/qqedit2.cab
O16 - DPF: {EC53936E-6D4A-4307-9092-A2FC48EAFC56} (Web800 Control) - http://service.qq.com/web800.exe
O17 - HKLM\System\CCS\Services\Tcpip\..\{E053E0D0-08CB-41F7-A741-FDF29B5211B4}: NameServer = 202.96.128.86 202.96.128.166
O18 - 列举现有的协议: KuGoo3 - {6AC4FBC7-AA38-45EC-9634-D6D20B679EFC} - C:\PROGRA~1\KuGoo3\InExtend\KUGOO3~1.OCX
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - NT 服务: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - NT 服务: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
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. - D:\瑞星杀毒软件\Rising\Rav\CCenter.exe
O23 - NT 服务: Rising RealTime Monitor (RsRavMon) - Beijing Rising Technology Co., Ltd. - D:\瑞星杀毒软件\RISING\RAV\Ravmond.exe



[用户系统信息]Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)