我的电脑前几天中了7939的流氓软件，然后修好以后又莫名其妙中了N多病毒，买了瑞星杀了以后，一开机，刚进入桌面就蓝屏，现在我进的是带网络连接的安全模式，蓝屏的最下面写的是STOP：0x00000050(0xFFAFA17A,0x00000000,0x804DB486,0x00000000),请教各位，这是怎么回事，我能不能不重装系统就把问题修好啊，盼各位教教我

呵呵。不要着急。先把log发上来吧。

不好意思，我不太懂，什么叫LOG啊

我用hijackthis扫描了系统，内容如下：
Logfile of HijackThis v1.99.1
Scan saved at 13:46:57, on 2006-10-23
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
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:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Rising\Rav\RsAgent.exe
C:\WINDOWS\msagent\AgentSvr.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
F:\HijackThis.exe

O2 - BHO: WebThunderBHO - {00000AAA-A363-466E-BEF5-9BB68697AA7F} - (no file)
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v4.dll
O2 - BHO: Ad Engine - {077FD0C3-1291-4104-A356-41E36B252682} - (no file)
O2 - BHO: ChajianHelper Class - {0CB66BA8-5E1F-4963-93D1-E1D6B78FE9A2} - C:\WINDOWS\system32\SYSREA~1.DLL
O2 - BHO: Shockwave Flash Object - {14A21378-5BB1-4BC4-95D5-5D3F51527F6F} - C:\WINDOWS\SYSTEM32\smflash.ocx
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - C:\Program Files\Tencent\QQ\QQIEHelper.dll
O2 - BHO: CdnForIE Class - {5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} - C:\PROGRA~1\CNNIC\Cdn\cdnforie.dll
O2 - BHO: XBTP03129 - {6029B367-250A-4696-925C-641709CA7381} - (no file)
O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - C:\Program Files\Thunder Network\Thunder\ComDlls\XUNLEIBHO_002.dll
O2 - BHO: AssistII - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\Assist\asbar.dll (file missing)
O2 - BHO: B2bBho Class - {C526A736-0461-4152-99E0-69691EE44CCF} - C:\PROGRA~1\AllWays\BizMsg\b2btools.dll
O3 - Toolbar: MSN 工具栏 - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Toolbar\01.01.2607.0\zh-cn\msntb.dll
O3 - Toolbar: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\Assist\asbar.dll (file missing)
O3 - Toolbar: B2bBar - {F24AB4F7-EC94-4170-9318-A23703D15823} - C:\PROGRA~1\AllWays\BizMsg\b2btools.dll
O4 - HKLM\..\Run: [CdnCtr] C:\Program Files\CNNIC\Cdn\cdnup.exe
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O8 - Extra context menu item: &使用暴风下载器下载 - C:\Program Files\Ringz Studio\Storm Downloader\geturl.htm
O8 - Extra context menu item: &使用迅雷下载 - C:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - C:\Program Files\Thunder Network\Thunder\Program\GetAllUrl.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - C:\Program Files\Tencent\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - C:\Program Files\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - C:\Program Files\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - C:\Program Files\Tencent\QQ\SendMMS.htm
O8 - Extra context menu item: 访问通用网址 - C:\Program Files\CNNIC\Cdn\cnnic.htm
O9 - Extra button: 启动迅雷 - {0062C9BD-B349-40DE-91A0-755F37ACD559} - C:\Program Files\Thunder Network\Thunder\Thunder.exe
O9 - Extra 'Tools' menuitem: 启动迅雷 - {0062C9BD-B349-40DE-91A0-755F37ACD559} - C:\Program Files\Thunder Network\Thunder\Thunder.exe
O9 - Extra button: 浩方对战平台 - {0A155D3C-68E2-4215-A47A-E800A446447A} - C:\Program Files\浩方对战平台\GameClient.exe
O9 - Extra button: 中文上网 - {5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} - C:\PROGRA~1\CNNIC\Cdn\cdnforie.dll
O9 - Extra 'Tools' menuitem: 中文上网 - {5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} - C:\PROGRA~1\CNNIC\Cdn\cdnforie.dll
O9 - Extra button: 启动Web迅雷 - {962EFB8E-2683-42d4-AC74-AAA4C759B9C6} - http://my.xunlei.com (file missing)
O9 - Extra 'Tools' menuitem: 启动Web迅雷 - {962EFB8E-2683-42d4-AC74-AAA4C759B9C6} - http://my.xunlei.com (file missing)
O9 - Extra button: QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - C:\Program Files\Tencent\QQ\QQ.EXE
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - C:\Program Files\Tencent\QQ\QQ.EXE
O9 - Extra button: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - C:\Program Files\Tencent\QQ\QQIEHelper.dll
O9 - Extra 'Tools' menuitem: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - C:\Program Files\Tencent\QQ\QQIEHelper.dll
O9 - Extra button: 在线查毒 - {f58d36c3-40be-4418-a786-d8fbe3eb3554} - C:\KAV6\KAVEXT.DLL (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\WINDOWS\System32\shdocvw.dll
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\WINDOWS\System32\shdocvw.dll
O11 - Options group: [CDNCLIENT]  中文上网
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {00053E6A-AD20-11D5-B991-0050BAF247C9} (DecTmpSetup.DecUserCtl) - http://202.108.152.64/pub/Local/DecTmpSetup.CAB
O16 - DPF: {E4E2F180-CB8B-4DE9-ACBB-DA745D3BA153} (Rising Web Scan Object) - http://download.rising.com.cn/register/pcver/autoupgradepad/pcver2006new/OL2006.cab
O16 - DPF: {F138084D-84D7-48CD-BEA8-04772457516E} (VqqSpeedDlProxy Class) - http://218.85.138.27/vqqsdl1009.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - AppInit_DLLs: APIHookDll.dll
O21 - SSODL: DelayRun - {5A6F2F95-3191-433B-8533-EB0B596A7BAC} - C:\WINDOWS\system32\923dce50.dll (file missing)
O23 - Service: AVG Anti-Spyware Guard - Anti-Malware Development a.s. - F:\专杀\guard.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\hpzipm12.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\CCenter.exe
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\Ravmond.exe