Probleme de boot intempestif erreur rpc

Bonjour,

j ai mon ordi qui reboot de temp en temp il met des erreur rpc
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Microsoft-Windows-RPC-Events" Guid="{F4AED7C7-A898-4627-B053-44A7CAA12FCD}" />
<EventID>11</EventID>
<Version>0</Version>
<Level>3</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000000</Keywords>
<TimeCreated SystemTime="2009-07-21T18:38:30.379123500Z" />
<EventRecordID>298</EventRecordID>
<Correlation />
<Execution ProcessID="2988" ThreadID="3036" />
<Channel>Application</Channel>
<Computer>majinolive-PC</Computer>
<Security UserID="S-1-5-21-556280656-4256028444-3292620272-1000" />
</System>
- <EventData>
<Data Name="ApplicationName">C:\Windows\system32\DllHost.exe /Processid:{86D5EB8A-859F-4C7B-A76B-2BD819B7A850}</Data>
<Data Name="ProcessId">2988</Data>
<Data Name="InterfaceId">{12345778-1234-ABCD-EF00-0123456789AC}</Data>
<Data Name="Method">40</Data>
</EventData>
</Event>

voici avec hijack this le log merci de m aider svp
Logfile of HijackThis v1.99.1
Scan saved at 21:05:30, on 21/07/2009
Platform: Unknown Windows (WinNT 6.01.2904)
MSIE: Internet Explorer v8.00 (8.00.7000.4138)

Running processes:
C:\Windows\system32\taskhost.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\vVX3000.exe
C:\Windows\RtHDVCpl.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Users\MAJINO~1\AppData\Local\Temp\Blizzard Installer Bootstrap - 0003f131\Installer.exe
C:\Windows\system32\mmc.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Users\majinolive\Downloads\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: DeviceVM Url Search Hook - {0063BF63-BFFF-4B8F-9D26-4267DF7F17DD} - C:\Windows\System32\dvmurl.dll
O4 - HKLM\..\Run: [VX3000] C:\Windows\vVX3000.exe
O4 - HKLM\..\Run: [LifeCam] "C:\Program Files\Microsoft LifeCam\LifeExp.exe"
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O10 - Unknown file in Winsock LSP: c:\windows\system32\nlaapi.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\napinsp.dll
O11 - Options group: [INTERNATIONAL] International*
O13 - Gopher Prefix:
O23 - Service: AMD External Events Utility - AMD - C:\Windows\system32\atiesrxx.exe
O23 - Service: @%SystemRoot%\system32\qwave.dll,-1 (QWAVE) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%SystemRoot%\system32\seclogon.dll,-7001 (seclogon) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - %PROGRAMFILES%\Windows Media Player\wmpnetwk.exe (file missing)