Nvsc32.exe bloque le démarrage de mon pc

Lors du chargement de windows l'écran devient noir brutalement; il semble que c'est le virus nvsc32.exe qui soit la cause de ce blocage; mais je n'arrive pas à m'en débarasser.
Qui peut m'aider ? Merci !
Voilà mon log
Logfile of HijackThis v1.98.2
Scan saved at 23:29:36, on 08/05/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
E:\WINDOWS\System32\smss.exe
E:\WINDOWS\system32\winlogon.exe
E:\WINDOWS\system32\services.exe
E:\WINDOWS\system32\lsass.exe
E:\WINDOWS\system32\svchost.exe
E:\WINDOWS\System32\svchost.exe
E:\WINDOWS\Explorer.EXE
E:\Program Files\WinRAR\WinRAR.exe
E:\DOCUME~1\Henri\LOCALS~1\Temp\Rar$EX00.796\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.wanadoo.fr/go/page_recherche/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.dna.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.wanadoo.fr/go/page_recherche/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.dna.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: (no name) - _{08C06D61-F1F3-4799-86F8-BE1A89362C85} - (no file)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C7-4D59-B87D-784B7D6BE0B3} - E:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - E:\Program Files\Norton AntiVirus\NavShExt.dll
O2 - BHO: (no name) - {D80C4E21-C346-4E21-8E64-20746AA20AEB} - (no file)
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - E:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: (no name) - {5AA06644-BC46-4220-A460-47A6EB47C96D} - (no file)
O3 - Toolbar: (no name) - {5F1ABCDB-A875-46c1-8345-B72A4567E486} - (no file)
O4 - HKLM\..\Run: [EPSON Stylus C62 Series] E:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /P23 "EPSON Stylus C62 Series" /O5 "LPT1:" /M "Stylus C62"
O4 - HKLM\..\Run: [gcasServ] "E:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [APVXDWIN] "E:\Program Files\Panda Software\Panda Antivirus Titanium\APVXDWIN.EXE" /s
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE E:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [OmniPage] E:\PROGRA~1\Caere\OMNIPA~1.0\opware32.exe
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKCU\..\Run: [CTFMON.EXE] E:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [msnmsgr] "E:\Program Files\MSN Messenger\msnmsgr.exe" /background
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://E:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - E:\Program Files\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - E:\Program Files\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - E:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - E:\Program Files\Messenger\msmsgs.exe
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O12 - Plugin for .pdf: E:\Program Files\Internet Explorer\PLUGINS\nppdf32.dll
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267.cab
O16 - DPF: {09C21411-B9A2-4DE6-8416-4E3B58577BE0} (France Telecom MDM ActiveX Control) - http://minitelweb.minitel.com/imin_data/ocx/MDM.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
O16 - DPF: {31B7EB4E-8B4B-11D1-A789-00A0CC6651A8} (Cult3D ActiveX Player) - http://host.cycore.net/plugins/windows/ie/Cult3D_IE_5.3.0.228.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://spaces.msn.com//PhotoUpload/MsnPUpld.cab
O16 - DPF: {54B52E52-8000-4413-BD67-FC7FE24B59F2} (EARTPatchX Class) - http://files.ea.com/downloads/rtpatch/v2/EARTPX.cab
O16 - DPF: {62475759-9E84-458E-A1AB-5D2C442ADFDE} - http://a1540.g.akamai.net/7/1540/52/20041101/qtinstall.info.apple.com/pthalo/fr/win/QuickTimeInstaller.exe
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5consumer/V5Controls/en/x86/client/wuweb_site.cab?1094243247609
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab30149.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) -
O17 - HKLM\System\CCS\Services\Tcpip\..\{037BF5BE-7B75-4BC2-9CB7-DF50C460AD}: NameServer = 10.0.0.138
O17 - HKLM\System\CCS\Services\Tcpip\..\{E661B9A9-6608-4347-942C-E7B8E62CCE77}: NameServer = 192.168.1.1,193.252.19.3
O17 - HKLM\System\CS1\Services\Tcpip\..\{037BF5BE-7B75-4BC2-9CB7-DF50C460AD}: NameServer = 10.0.0.138