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Why is my internet stopping after about 15 minutes?

When I surf the internet it freezes after about 15 min. After I reboot it works again. I can still use my pc & try to go to other internet sites but they timeout. Here's what I found in the event viewer. Any help would be greatly appreciated. This happens in Firefox or IE. I have a home network. If you need other info just ask. Thanks Ed
I have XP pro sp3, Intel e6600, 4gigs ram, evga 680i mobo, 2x 500 hds.

Event Type:      Error
Event Source:      MRxSmb
Event Category:      None
Event ID:      8003
Date:            10/20/2008
Time:            7:02:29 PM
User:            N/A
Computer:      PCTECK
Description:
The master browser has received a server announcement from the computer ED that believes that it is the master browser for the domain on transport NetBT_Tcpip_{34C79127-C1B8-4BB0-A90F. The master browser is stopping or an election is being forced.

Event Type:      Error
Event Source:      BROWSER
Event Category:      None
Event ID:      8032
Date:            10/20/2008
Time:            8:05:47 PM
User:            N/A
Computer:      PCTECK
Description:
The browser service has failed to retrieve the backup list too many times on transport \Device\NetBT_Tcpip_{34C79127-C1B8-4BB0-A90F-0973A31AECDF}. The backup browser is stopping.

Event Type:      Error
Event Source:      DCOM
Event Category:      None
Event ID:      10016
Date:            10/20/2008
Time:            8:04:58 PM
User:            NT AUTHORITY\LOCAL SERVICE
Computer:      PCTECK
Description:
The machine-default permission settings do not grant Local Activation permission for the COM Server application with CLSID
{BC866CF2-5486-41F7-B46B-9AA49CF3EBB1}
to the user NT AUTHORITY\LOCAL SERVICE SID (S-1-5-19). This security permission can be modified using the Component Services administrative tool.

ASKER CERTIFIED SOLUTION

powercram

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Etrix

ASKER

Hey powercram, Thanks for the reply.
I ran 4 -t pings for an hour and they never timed out . I have 3 other (4 total) pc's on this Lynksys wireless router & Comcast cable. They are all 4 hard wired except for my laptop. Only this one pc is having the problem. Maybe you can see some thing in the Hijackthis log. What is the "O10 - unknown file in Winsock LSP:c:\windows\system32\nvlsp.dll" ? There are 7 of these. Maybe from p2p? I ran Nod 32 , Spybot, Adaware, (found nothing) & use Zone Alarm Security Suite.
Thanks for your help Ed

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 7:31:01 PM, on 10/21/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal
 
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\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\ESET\ESET NOD32 Antivirus\ekrn.exe
C:\Program Files\NVIDIA Corporation\nTune\nTuneService.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\PnkBstrA.exe
C:\Program Files\SiSoftware\SiSoftware Sandra Lite XII.SP2c\RpcAgentSrv.exe
C:\WINDOWS\system32\tcpsvcs.exe
C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\NVIDIA Corporation\NetworkAccessManager\bin32\nSvcAppFlt.exe
C:\Program Files\NVIDIA Corporation\NetworkAccessManager\bin32\nSvcIp.exe
C:\Program Files\ESET\ESET NOD32 Antivirus\egui.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\Stardock\CursorFX\CursorFX.exe
C:\WINDOWS\system32\dllhost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
 
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://mystart.incredimail.com/english/
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://update.zonelabs.com/downloadrequest?updtConfId=1527&updtReqId=299621631
O1 - Hosts: 66.98.148.65 auto.search.msn.com
O1 - Hosts: 66.98.148.65 auto.search.msn.es
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: Veoh Browser Plug-in - {D0943516-5076-4020-A3B5-AEFAF26AB263} - C:\Program Files\Veoh Networks\Veoh\Plugins\reg\VeohToolbar.dll
O4 - HKLM\..\Run: [NVIDIA nTune] "C:\Program Files\NVIDIA Corporation\nTune\nTuneCmd.exe" clear
O4 - HKLM\..\Run: [egui] "C:\Program Files\ESET\ESET NOD32 Antivirus\egui.exe" /hide /waitservice
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [RivaTuner] "C:\Program Files\RivaTuner v2.09\RivaTuner.exe" /T
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKCU\..\Run: [CursorFX] "C:\Program Files\Stardock\CursorFX\CursorFX.exe"
O4 - Startup: PowerReg Scheduler.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvlsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvlsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvlsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvlsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvlsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvlsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvlsp.dll
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Lavasoft - C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Eset HTTP Server (EhttpSrv) - ESET - C:\Program Files\ESET\ESET NOD32 Antivirus\EHttpSrv.exe
O23 - Service: Eset Service (ekrn) - ESET - C:\Program Files\ESET\ESET NOD32 Antivirus\ekrn.exe
O23 - Service: ForceWare Intelligent Application Manager (IAM) - Unknown owner - C:\Program Files\NVIDIA Corporation\NetworkAccessManager\bin32\nSvcAppFlt.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: ForceWare IP service (nSvcIp) - Unknown owner - C:\Program Files\NVIDIA Corporation\NetworkAccessManager\bin32\nSvcIp.exe
O23 - Service: nTune Service (nTuneService) - NVIDIA - C:\Program Files\NVIDIA Corporation\nTune\nTuneService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: PnkBstrA - Unknown owner - C:\WINDOWS\system32\PnkBstrA.exe
O23 - Service: SiSoftware Deployment Agent Service (SandraAgentSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite XII.SP2c\RpcAgentSrv.exe
O23 - Service: StarWind AE Service (StarWindServiceAE) - Rocket Division Software - C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
 
--
End of file - 5555 bytes

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Etrix

ASKER

Fixed it. I was close when I said "Maybe from p2p?" The Vuze (formerly Azuerus) p2p client was the last thing I installed. I uninstalled it, & went on the internet with no probs. I tried the BitTorrent client & it works fine. I am awarding powercam the points because out of "ALL" the experts he was the "ONLY" one to even try. Kinda sad for $10 a month. Have a better one. Ed

Thanks again powercam.