[SOLVED] Explorer.exe crashing

My desktop icons and toolbar are crashing on occasion and when I restart with Task Manager I get the window implying that I end the programme 'explorer.exe'. I installed hijack this. My system info is :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 3:29:57 PM, on 5/27/2008
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\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:\WINDOWS\Mixer.exe
C:\Program Files\Adobe\Photoshop Album Starter Edition\3.2\Apps\apdproxy.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\BtUsrBdg.exe
C:\WINDOWS\system32\BTSetBootKey.exe
C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
C:\WINDOWS\system32\CTHELPER.EXE
C:\Program Files\Java\jre1.6.0_06\bin\jusched.exe
C:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Program Files\eMule\emule.exe
C:\PROGRA~1\AVG\AVG8\avgrsx.exe
C:\PROGRA~1\AVG\AVG8\avgemc.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Windows Live\Messenger\usnsvc.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R3 - URLSearchHook: Share Accelerator MM Toolbar - {4596013b-6c31-408b-a266-deae5c086dc2} - C:\Program Files\Share_Accelerator_MM\tbSha1.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll (file missing)
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG8\avgssie.dll
O2 - BHO: Share Accelerator MM Toolbar - {4596013b-6c31-408b-a266-deae5c086dc2} - C:\Program Files\Share_Accelerator_MM\tbSha1.dll
O2 - BHO: NCO 2.0 IE BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - (no file)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_06\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: AVG Security Toolbar - {A057A204-BACC-4D26-9990-79A187E2698E} - C:\PROGRA~1\AVG\AVG8\AVGTOO~1.DLL
O2 - BHO: Windows Live Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O3 - Toolbar: (no name) - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - (no file)
O3 - Toolbar: Share Accelerator MM Toolbar - {4596013b-6c31-408b-a266-deae5c086dc2} - C:\Program Files\Share_Accelerator_MM\tbSha1.dll
O3 - Toolbar: AVG Security Toolbar - {A057A204-BACC-4D26-9990-79A187E2698E} - C:\PROGRA~1\AVG\AVG8\AVGTOO~1.DLL
O4 - HKLM\..\Run: [C-Media Mixer] Mixer.exe /startup
O4 - HKLM\..\Run: [Adobe Photo Downloader] "C:\Program Files\Adobe\Photoshop Album Starter Edition\3.2\Apps\apdproxy.exe"
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [BTUSRBDG] BtUsrBdg.exe
O4 - HKLM\..\Run: [BTSETBOOTKEY] BTSetBootKey.exe
O4 - HKLM\..\Run: [CTHelper] CTHELPER.EXE
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [Jet Detection] "C:\Program Files\Creative\SBLive\PROGRAM\ADGJDet.exe"
O4 - HKLM\..\Run: [Media Codec Update Service] C:\Program Files\Essentials Codec Pack\update.exe -silent
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_06\bin\jusched.exe"
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKCU\..\Run: [ares] "C:\Program Files\Ares\Ares.exe" -h
O4 - HKCU\..\Run: [eMuleAutoStart] C:\Program Files\eMule\emule.exe -AutoStart
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: &Windows Live Search - res://C:\Program Files\Windows Live Toolbar\msntb.dll/search.htm
O8 - Extra context menu item: Add to Windows &Live Favorites - http://favorites.live.com/quickadd.aspx
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_06\bin\ssv.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: CabBuilder - http://ak.imgag.com/imgag/kiw/toolbar/download/InstallerControl.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/win...ls/en/x86/client/wuweb_site.cab?1194891764092
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{0D5858E4-5C09-435F-821A-4CF5DF14D5D2}: NameServer = 192.168.2.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{0D5858E4-5C09-435F-821A-4CF5DF14D5D2}: NameServer = 192.168.2.1
O17 - HKLM\System\CS2\Services\Tcpip\..\{0D5858E4-5C09-435F-821A-4CF5DF14D5D2}: NameServer = 192.168.2.1
O17 - HKLM\System\CS3\Services\Tcpip\..\{0D5858E4-5C09-435F-821A-4CF5DF14D5D2}: NameServer = 192.168.2.1
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG8\avgpp.dll
O20 - AppInit_DLLs: avgrsstx.dll
O23 - Service: AVG8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: NTLOAD - Unknown owner - C:\WINDOWS\SYSTEM\DRIVER\ntsrv.exe (file missing)
O23 - Service: NTSVCMGR - Unknown owner - C:\WINDOWS\SYSTEM\DRIVER\ntsrv.exe (file missing)

--
End of file - 6460 bytes


Any help please??


thanks, Sab