Something is disabling Norton Antivirus

Here is the log

Logfile of HijackThis v1.99.1
Scan saved at 22:39:27, on 7/24/2006
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Norton Internet Security\NISUM.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
C:\Program Files\Norton Internet Security\ccPxySvc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Creative\SB Live! 24-bit\Surround Mixer\CTSysVol.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\WINDOWS\VM_STI.EXE
C:\WINDOWS\System32\RunDLL32.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Downloads\Yeni Klasör\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://toolbar.google.com/tbredir?r=di&l=en&v=3.0
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Bağlantılar
O3 - Toolbar: &Radyo - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar3.dll
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [CTSysVol] "C:\Program Files\Creative\SB Live! 24-bit\Surround Mixer\CTSysVol.exe" /r
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Program Files\Common Files\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] "C:\PROGRA~1\SYMNET~1\SNDMon.exe" /Consumer
O4 - HKLM\..\Run: [SSC_UserPrompt] "C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe"
O4 - HKLM\..\Run: [BigDogPath] "C:\WINDOWS\VM_STI.EXE" D-Link DSB-C320
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 NvMCTray.dll,NvTaskbarInit
O4 - HKCU\..\Run: [USDownloader] "D:\YEDEK\GAMES\DownloadedFiles\USDownloader134b4\USDownloader.exe"
O4 - HKCU\..\Run: [CMS_RSChecker] "C:\Enum\RS_FAN_1.0\RSFAN.exe" -m
O8 - Extra context menu item: &Save Flash In This Page by Flash Saver - C:\PROGRA~1\FLASHS~1\save.htm
O8 - Extra context menu item: Microsoft Excel'e Gö&nder - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - -{FB5F1910-F110-11d2-BB9E-00C04F795683} - (no file)
O9 - Extra button: Flash Saver - {09EA1F80-F40A-11D1-B792-444553540001} - C:\PROGRA~1\FLASHS~1\save.htm
O9 - Extra 'Tools' menuitem: Flash Saver - {09EA1F80-F40A-11D1-B792-444553540001} - C:\PROGRA~1\FLASHS~1\save.htm
O9 - Extra button: Araştır - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O16 - DPF: {01010E00-5E80-11D8-9E86-0007E96C65AE} - https://www-secure.symantec.com/techsupp/as…trl/tgctlsi.cab
O16 - DPF: {01012101-5E80-11D8-9E86-0007E96C65AE} - https://www-secure.symantec.com/techsupp/as…trl/tgctlsr.cab
O16 - DPF: {1F2F4C9E-6F09-47BC-970D-3C54734667FE} - https://www-secure.symantec.com/techsupp/as…rl/LSSupCtl.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedC…bin/AvSniff.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedC…n/bin/cabsa.cab
O16 - DPF: {6E5A37BF-FD42-463A-877C-4EB7002E68AE} (Trend Micro ActiveX Scan Agent 6.5) - http://housecall65.trendmicro.com/housecal…ivex/hcImpl.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2005111…all/xscan53.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O16 - DPF: {BB21F850-63F4-4EC9-BF9D-565BD30C9AE9} (a-squared Scanner) - http://ax.emsisoft.com/asquared.cab
O16 - DPF: {BDEE1959-AB6B-4745-A29B-F492861102CC} -
O16 - DPF: {C81B5180-AFD1-41A3-97E1-99E8D254DB98} (CSS Web Installer Class) - http://www.freedom.net/viruscenter/onlinev…cabs/cssweb.cab
O16 - DPF: {CE28D5D2-60CF-4C7D-9FE8-0F47A3308078} - https://www-secure.symantec.com/techsupp/as…rl/SymAData.cab
O16 - DPF: {D5D17C21-1719-4640-B0B2-4F3262419920} - https://www.isbank.com.tr/Internet/lib/JaguarEdit4ISB.CAB
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: openglwx - C:\WINDOWS\SYSTEM32\openglwx.dll
O20 - Winlogon Notify: RegCompact - C:\WINDOWS\SYSTEM32\RegCompact.dll
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Proxy Service (ccPxySvc) - Symantec Corporation - C:\Program Files\Norton Internet Security\ccPxySvc.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTsvcCDA.exe
O23 - Service: ewido anti-spyware 4.0 guard - Anti-Malware Development a.s. - C:\Program Files\ewido anti-spyware 4.0\guard.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Norton AntiVirus Auto Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton Internet Security Accounts Manager (NISUM) - Symantec Corporation - C:\Program Files\Norton Internet Security\NISUM.EXE
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - Unknown owner - %ProgramFiles%\WinPcap\rpcapd.exe" -d -f "%ProgramFiles%\WinPcap\rpcapd.ini (file missing)
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe