小弟的老机：赛扬700，256，NVIDIA RIVA TNT2 Model64，
原来放RM、RMVB都顺的很，就是AVI老死，上周重装系统之后，连RM、RMVB也卡的要死，CPU占用100%，总是显示：缓冲、正在通信之类，我放的是硬盘上的片子，而且把设置中CPU占用降到最低，显卡也是最稳定（禁用什么重叠之类）。
原来装着RealONE 2和暴风影音，重装后还是这个就不行，我又换了Realplayer10，还是不行。
重装时格式化C盘，也用norton扫描了，应该没毒，而且就是放片不行，其他没有问题。
哪位高手给看看咋回事？HijackThis_815汉化版扫描日志 V1.99.1
保存于 23:32:19, 日期 2005-9-18
操作系统： Windows 2000 SP4 (WinNT 5.00.2195)
浏览器： Internet Explorer v6.00 (6.00.2600.0000)
当前运行的进程：
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Program Files\Common Files\Symantec Shared\ccProxy.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\WINNT\System32\svchost.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
C:\PROGRA~1\SJZTEL~1\SJZPPPOE\app\pppoeservice.exe
C:\WINNT\system32\regsvc.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
C:\WINNT\system32\MSTask.exe
C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
C:\WINNT\Explorer.EXE
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\WINNT\system32\internat.exe
D:\Program Files\Kingsoft\XDICT.EXE
C:\PROGRA~1\SJZTEL~1\SJZPPPOE\app\EnterNet.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
D:\Tools\hijaxckthis\Setup\HB_Hijackthis1991zww8152_ttdown.com.exe
D:\Program Files\HijackThis1991汉化版\HijackThis1991zww.exe
O2 - BHO: Web 助手 - {9ECB9560-04F9-4bbc-943D-298DDF1699E1} - C:\Program Files\Common Files\Symantec Shared\AdBlocking\NISShExt.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - IE工具栏增项: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - IE工具栏增项: Web 助手 - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Program Files\Common Files\Symantec Shared\AdBlocking\NISShExt.dll
O3 - IE工具栏增项: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O4 - 启动项HKLM\\Run: [Synchronization Manager] mobsync.exe /logon
O4 - 启动项HKLM\\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - 启动项HKLM\\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - 启动项HKLM\\Run: [URLLSTCK.exe] C:\Program Files\Norton Internet Security\UrlLstCk.exe
O4 - 启动项HKLM\\Run: [SSC_UserPrompt] C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - 启动项HKLM\\Run: [StormCodec_Helper] "d:\Program Files\Ringz Studio\Storm Codec\StormSet.exe" /S /opti
O4 - HKCU\..\Run: [Internat.exe] internat.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: 金山词霸 2003.lnk = D:\Program Files\Kingsoft\XDICT.EXE
O8 - IE右键菜单中的新增项目: &Download by NetAnts - D:\PROGRA~1\NETANTS\NAGet.htm
O8 - IE右键菜单中的新增项目: Download &All by NetAnts - D:\PROGRA~1\NETANTS\NAGetAll.htm
O9 - 浏览器额外的按钮: NetAnts - {57E91B47-F40A-11D1-B792-444553540000} - D:\PROGRA~1\NETANTS\NetAnts.exe
O9 - 浏览器额外的“工具”菜单项: &NetAnts - {57E91B47-F40A-11D1-B792-444553540000} - D:\PROGRA~1\NETANTS\NetAnts.exe
O9 - 浏览器额外的按钮: 词霸 - {9A687CA6-D585-4947-9ED9-BE96071F5CD9} - D:\PROGRA~1\Kingsoft\XDictExB.dll
O9 - 浏览器额外的按钮: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - 浏览器额外的“工具”菜单项: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - 浏览器额外的按钮: 易趣购物 - {EE60714F-AC19-427e-861A-FD60ABDF119A} -
http://click2.ad4all.net/url2/urlmanage/url.asp?id=1 (file missing)
O9 - 浏览器额外的“工具”菜单项: 易趣购物 - {EE60714F-AC19-427e-861A-FD60ABDF119A} -
http://click2.ad4all.net/url2/urlmanage/url.asp?id=1 (file missing)
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -
http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1126360030109O18 - 列举现有的协议: dic - {C21F5C32-F57A-4A0D-8E0A-B672691C52D0} - D:\PROGRA~1\Kingsoft\XDictExB.dll
O23 - NT 服务: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - NT 服务: Symantec Network Proxy (ccProxy) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccProxy.exe
O23 - NT 服务: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - NT 服务: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - NT 服务: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - NT 服务: Norton AntiVirus Auto Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
O23 - NT 服务: PPPoE Service (PPPoEService) - Unknown owner - C:\PROGRA~1\SJZTEL~1\SJZPPPOE\app\pppoeservice.exe
O23 - NT 服务: SAVScan - Symantec Corporation - C:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
O23 - NT 服务: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - NT 服务: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - NT 服务: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe
