Podem analizar meu log de HijackThis?

Queria que analizassem este log para ver se tem algo de errado, meu computador está muito lento e reinicia do nada.
Agradeço

Logfile of HijackThis v1.99.1
Scan saved at 22:08:33, on 14/12/2005
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:\WINDOWS\system32\spoolsv.exe
C:\Arquivos de programas\Eset\nod32kui.exe
C:\Arquivos de programas\Arquivos comuns\Real\Update_OB\realsched.exe
C:\Arquivos de programas\CyberLink\PowerDVD\PDVDServ.exe
C:\Arquivos de programas\RAM Idle\RAM_XP.exe
C:\Arquivos de programas\Messenger\msmsgs.exe
C:\Arquivos de programas\Eset\nod32krn.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\Arquivos de programas\BitComet\BitComet.exe
E:\Programas\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = &http://home.microsoft.com/intl/br/access/allinone.asp
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Arquivos de programas\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O4 - HKLM\..\Run: [nod32kui] "C:\Arquivos de programas\Eset\nod32kui.exe" /WAITSERVICE
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Zone Labs Client] C:\Arquivos de programas\Zone Labs\ZoneAlarm\zlclient.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Arquivos de programas\Arquivos comuns\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [RemoteControl] "C:\Arquivos de programas\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [RAM Idle Professional] C:\Arquivos de programas\RAM Idle\RAM_XP.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Arquivos de programas\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [IncrediMail] C:\Arquivos de programas\IncrediMail\bin\IncMail.exe /c
O4 - HKCU\..\Run: [MsnMsgr] "C:\Arquivos de programas\MSN Messenger\MsnMsgr.Exe" /background
O8 - Extra context menu item: E&xportar para o Microsoft Excel - res://C:\ARQUIV~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Pesquisar - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\ARQUIV~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Arquivos de programas\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Arquivos de programas\Messenger\msmsgs.exe
O14 - IERESET.INF: SEARCH_PAGE_URL=&http://home.microsoft.com/intl/br/access/allinone.asp
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{19E6635A-689A-4F13-8BB3-99146751FF89}: NameServer = 201.10.120.3 201.10.1.2
O17 - HKLM\System\CS1\Services\Tcpip\..\{19E6635A-689A-4F13-8BB3-99146751FF89}: NameServer = 201.10.120.3 201.10.1.2
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\ARQUIV~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: NOD32 Kernel Service (NOD32krn) - Unknown owner - C:\Arquivos de programas\Eset\nod32krn.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe