[Closed] hijack log file needs analysis

Please help me. This is my first time to be in forums. these are some of my problems: 1. i cannot boot to safe mode 2. my registry edit has been disabled by the administrator 3. a pop-up window appears "Windows - No Disk Exception Processing Message c0000013 parameters 75b6bf9c 4 75b6bf9c 75b6bf9c" 4. hidden files won't appear 5. avast anti-virus can't be open 6. windows doctor stops scanning 7. windows task manager appears after i click an application TASK MANAGER FIX but after some time it will be disabled again. here's my hijack log file result Logfile of Trend Micro HijackThis v2.0.4 Scan saved at 11:37:05 AM, on 6/9/2010 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\csrss.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\svchost.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\Explorer.exe C:\PROGRA~1\COMMON~1\AhnLab\ACA\ACASP.exe C:\WINDOWS\system32\rundll32.exe C:\Program Files\Autorun Eater\oldmcdonald.exe C:\Program Files\Spyware Doctor\pctsTray.exe C:\WINDOWS\windowsmp.exe C:\Program Files\Autorun Eater\billy.exe C:\Program Files\Common Files\AhnLab\ACA\ACAAS.exe C:\Program Files\Common Files\AhnLab\ACA\ACAEGMgr.exe C:\Program Files\AhnLab\V3IS2007\MSProxy.ahn C:\Program Files\Common Files\AhnLab\ACA\ACAIS.exe C:\Program Files\Common Files\AhnLab\ACA\ACALS.exe C:\Program Files\AhnLab\Smart Update Utility\AhnSDsv.exe C:\WINDOWS\system32\SupportAppXL\cdrom_mon.exe C:\Program Files\Spyware Doctor\BDT\BDTUpdateService.exe C:\WINDOWS\system32\svchost.exe C:\Program Files\Canon\IJPLM\IJPLMSVC.EXE C:\Program Files\Spyware Doctor\pctsAuxs.exe C:\Program Files\Spyware Doctor\pctsSvc.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\System32\TUProgSt.exe C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe C:\Program Files\Windows Doctor\1.6\WindowsDoctor.exe C:\Program Files\SMART BRO\Modem.exe C:\Program Files\TuneUp Utilities 2009\UpdateWizard.exe C:\WINDOWS\system32\wuauclt.exe C:\Program Files\Internet Explorer\iexplore.exe C:\PROGRA~1\AhnLab\SMARTU~1\SUpdate.exe F:\Documents\Application\HiJackThis.exe C:\WINDOWS\system32\wbem\wmiprvse.exe C:\WINDOWS\system32\wuauclt.exe R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = R3 - URLSearchHook: DefaultSearchHook Class - {C94E154B-1459-4A47-966B-4B843BEFC7DB} - C:\Program Files\AskSearch\bin\DefaultSearch.dll F2 - REG:system.ini: Shell=Explorer.exe O3 - Toolbar: (no name) - {472734EA-242A-422B-ADF8-83D1E48CC825} - (no file) O4 - HKLM\..\Run: [avast5] C:\PROGRA~1\ALWILS~1\Avast5\avastUI.exe /nogui O4 - HKLM\..\Run: [windowsmp] C:\WINDOWS\windowsmp.exe O4 - HKUS\S-1-5-18\..\RunOnce: [RunNarrator] Narrator.exe (User 'SYSTEM') O4 - HKUS\.DEFAULT\..\RunOnce: [RunNarrator] Narrator.exe (User 'Default user') O7 - HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System, DisableRegedit=1 O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000 O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL O17 - HKLM\System\CCS\Services\Tcpip\..\{B620C0BF-0208-40B5-8C9B-F24B4DACAE63}: NameServer = 121.1.3.168 203.84.191.216 O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll O23 - Service: AhnLab Application Service - AhnLab, Inc. - C:\Program Files\Common Files\AhnLab\ACA\ACAAS.exe O23 - Service: AhnLab Guarantee Service - AhnLab, Inc. - C:\Program Files\Common Files\AhnLab\ACA\ACAEGMgr.exe O23 - Service: AhnLab Information Service - AhnLab, Inc. - C:\Program Files\Common Files\AhnLab\ACA\ACAIS.exe O23 - Service: AhnLab Log Service - AhnLab, Inc. - C:\Program Files\Common Files\AhnLab\ACA\ACALS.exe O23 - Service: AhnLab Task Scheduler - AhnLab, Inc. - C:\Program Files\AhnLab\Smart Update Utility\AhnSDsv.exe O23 - Service: Autorun CDROM Monitor - Unknown owner - C:\WINDOWS\system32\SupportAppXL\cdrom_mon.exe O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast5\AvastSvc.exe O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast5\AvastSvc.exe O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast5\AvastSvc.exe O23 - Service: Browser Defender Update Service - Unknown owner - C:\Program Files\Spyware Doctor\BDT\BDTUpdateService.exe O23 - Service: Inkjet Printer/Scanner Extended Survey Program (IJPLMSVC) - Unknown owner - C:\Program Files\Canon\IJPLM\IJPLMSVC.EXE O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Program Files\Spyware Doctor\pctsAuxs.exe O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Program Files\Spyware Doctor\pctsSvc.exe O23 - Service: TuneUp Drive Defrag Service (TuneUp.Defrag) - TuneUp Software - C:\WINDOWS\System32\TuneUpDefragService.exe O23 - Service: TuneUp Program Statistics Service (TuneUp.ProgramStatisticsSvc) - TuneUp Software - C:\WINDOWS\System32\TUProgSt.exe – End of file - 5102 bytes