random shut down & restart... BCCode:1000050

Please help...Every now and then my computer shuts down and restarts on its own accord... sometimes overnite when its not being used at all..
Below is the Error message i got today

BCCode: 1000050
BCP1 : 88184597
BCP2 : 00000000
BCP3 : 8056865E
BCP4 : 00000000
OSVer : 5_1_2600
SP : 2_0
Product: 256_1

C;\DOCUME`1\Maggie\LOCALS`1\TEMP\WER68ae.dir00\Mini030906`01dmp

C;\DOCUME`1\Maggie\LOCALS`1\TEMP\WER68ae.dir00\sysdata.xml

my HJT log

Logfile of HijackThis v1.99.1
Scan saved at 1:41:00 PM, on 9/03/2006
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\system32\spoolsv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\system32\fxssvc.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Common Files\Logitech\QCDriver\LVCOMS.EXE
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Viewpoint\Viewpoint Manager\ViewMgr.exe
C:\Program Files\Microsoft AntiSpyware\gcasServ.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\mm_tray.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Documents and Settings\All Users\Start Menu\Programs\Startup\palstart.exe
C:\Program Files\Windows Desktop Search\WindowsSearch.exe
C:\WINDOWS\system32\ZoneLabs\isafe.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\mim.exe
C:\Program Files\Windows Desktop Search\WindowsSearchIndexer.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\MMDiag.exe
C:\PROGRA~1\ZONELA~1\ZONEAL~1\MAILFR~1\mantispm.exe
C:\Program Files\Microsoft Office\Office\WINWORD.EXE
C:\WINDOWS\msagent\AgentSvr.exe
C:\Program Files\Hijackthis\HijackThis.exe
C:\WINDOWS\system32\notepad.exe

O1 - Hosts file is located at: C:\WINDOWS\System32\drivers\etc\hosts
O2 - BHO: dsWebAllowBHO Class - {2F85D76C-0569-466F-A488-493E6BD0E955} - C:\Program Files\Windows Desktop Search\dsWebAllow.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\en-au\msntb.dll
O3 - Toolbar: ninemsn - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\en-au\msntb.dll
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Program Files\Canon\Easy-WebPrint\Toolband.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [LVCOMS] C:\Program Files\Common Files\Logitech\QCDriver\LVCOMS.EXE
O4 - HKLM\..\Run: [VSOCheckTask] "c:\PROGRA~1\mcafee.com\vso\mcmnhdlr.exe" /checktask
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [ViewMgr] C:\Program Files\Viewpoint\Viewpoint Manager\ViewMgr.exe
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [Zone Labs Client] C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
O4 - HKLM\..\Run: [MimBoot] C:\PROGRA~1\MUSICM~1\MUSICM~2\mimboot.exe
O4 - HKLM\..\Run: [MMTray] "C:\Program Files\Musicmatch\Musicmatch Jukebox\mm_tray.exe"
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - Startup: Tech-Pro World Clock.lnk = C:\Program Files\Tech-Pro World Clock\worldclock.exe
O4 - Global Startup: palstart.exe
O4 - Global Startup: Windows Desktop Search.lnk = C:\Program Files\Windows Desktop Search\WindowsSearch.exe
O8 - Extra context menu item: Easy-WebPrint Add To Print List - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_AddToList.html
O8 - Extra context menu item: Easy-WebPrint High Speed Print - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_HSPrint.html
O8 - Extra context menu item: Easy-WebPrint Preview - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_Preview.html
O8 - Extra context menu item: Easy-WebPrint Print - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_Print.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRA~1\Yahoo!\MESSEN~1\YAHOOM~1.EXE
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRA~1\Yahoo!\MESSEN~1\YAHOOM~1.EXE
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: {03F998B2-0E00-11D3-A498-00104B6EB52E} (MetaStreamCtl Class) - https://components.viewpoint.com/MTSInstallers/MetaStream3.cab?url=http://www.viewpoint.com/cgi-bin/installer.v4/vet_install_popup.pl?2&6&04.00.08.43&unknown&unknown&http://www.space.com/php/multimedia/zoomviewer/index.php?display_img=hubble_anniv2
O16 - DPF: {04E214E5-63AF-4236-83C6-A7ADCBF9BD02} (HouseCall Control) - http://housecall60.trendmicro.com/housecall/xscan60.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1124421606223
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O16 - DPF: {F5C90925-ABBF-4475-88F5-8622B452BA9E} (Compaq System Data Class) - http://www29.compaq.com/falco/SysQuery.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: CA ISafe (CAISafe) - Computer Associates International, Inc. - C:\WINDOWS\system32\ZoneLabs\isafe.exe
O23 - Service: McShield - Tekom Technologies, Inc. - (no file)
O23 - Service: MCVSRte - Tekom Technologies, Inc. - (no file)
O23 - Service: MpfService - McAfee Security - (no file)
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe


StartupList report, 9/03/2006, 1:38:09 PM
StartupList version: 1.52.2
Started from : C:\Program Files\Hijackthis\HijackThis.EXE
Detected: Windows XP SP2 (WinNT 5.01.2600)
Detected: Internet Explorer v6.00 SP2 (6.00.2900.2180)
* Using default options
==================================================

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\system32\spoolsv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\system32\fxssvc.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Common Files\Logitech\QCDriver\LVCOMS.EXE
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Viewpoint\Viewpoint Manager\ViewMgr.exe
C:\Program Files\Microsoft AntiSpyware\gcasServ.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\mm_tray.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Documents and Settings\All Users\Start Menu\Programs\Startup\palstart.exe
C:\Program Files\Windows Desktop Search\WindowsSearch.exe
C:\WINDOWS\system32\ZoneLabs\isafe.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\mim.exe
C:\Program Files\Windows Desktop Search\WindowsSearchIndexer.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\MMDiag.exe
C:\PROGRA~1\ZONELA~1\ZONEAL~1\MAILFR~1\mantispm.exe
C:\Program Files\Microsoft Office\Office\WINWORD.EXE
C:\WINDOWS\msagent\AgentSvr.exe
C:\Program Files\Hijackthis\HijackThis.exe

--------------------------------------------------

Listing of startup folders:

Shell folders Startup:
[C:\Documents and Settings\Maggie\Start Menu\Programs\Startup]
Tech-Pro World Clock.lnk = C:\Program Files\Tech-Pro World Clock\worldclock.exe

Shell folders Common Startup:
[C:\Documents and Settings\All Users\Start Menu\Programs\Startup]
palstart.exe
Windows Desktop Search.lnk = C:\Program Files\Windows Desktop Search\WindowsSearch.exe

--------------------------------------------------

Checking Windows NT UserInit:

[HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
UserInit = C:\WINDOWS\system32\userinit.exe,

--------------------------------------------------

Autorun entries from Registry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run

QuickTime Task = "C:\Program Files\QuickTime\qttask.exe" -atboottime
LVCOMS = C:\Program Files\Common Files\Logitech\QCDriver\LVCOMS.EXE
VSOCheckTask = "c:\PROGRA~1\mcafee.com\vso\mcmnhdlr.exe" /checktask
SunJavaUpdateSched = C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
ViewMgr = C:\Program Files\Viewpoint\Viewpoint Manager\ViewMgr.exe
gcasServ = "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
MISAggregator =
Zone Labs Client = C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
MimBoot = C:\PROGRA~1\MUSICM~1\MUSICM~2\mimboot.exe
MMTray = "C:\Program Files\Musicmatch\Musicmatch Jukebox\mm_tray.exe"

--------------------------------------------------

Autorun entries from Registry:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run

WebCamRT.exe =
CTFMON.EXE = C:\WINDOWS\system32\ctfmon.exe

--------------------------------------------------

Shell & screensaver key from C:\WINDOWS\SYSTEM.INI:

Shell=*INI section not found*
SCRNSAVE.EXE=*INI section not found*
drivers=*INI section not found*

Shell & screensaver key from Registry:

Shell=Explorer.exe
SCRNSAVE.EXE=C:\WINDOWS\System32\ssstars.scr
drivers=*Registry value not found*

Policies Shell key:

HKCU\..\Policies: Shell=*Registry key not found*
HKLM\..\Policies: Shell=*Registry value not found*

--------------------------------------------------


Enumerating Browser Helper Objects:

(no name) - C:\Program Files\Windows Desktop Search\dsWebAllow.dll - {2F85D76C-0569-466F-A488-493E6BD0E955}
(no name) - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll - {53707962-6F74-2D53-2644-206D7942484F}
(no name) - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43}
(no name) - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll - {9394EDE7-C8B5-483E-8773-474BF36AF6E4}
(no name) - c:\program files\google\googletoolbar2.dll - {AA58ED58-01DD-4d91-8333-CF10577473F7}
(no name) - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\en-au\msntb.dll - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0}

--------------------------------------------------

Enumerating Download Program Files:

[Microsoft Office Template and Media Control]
InProcServer32 = C:\WINDOWS\Downloaded Program Files\IEAWSDC.DLL
CODEBASE = http://office.microsoft.com/templates/ieawsdc.cab

[QuickTime Object]
InProcServer32 = C:\Program Files\QuickTime\QTPlugin.ocx
CODEBASE = http://www.apple.com/qtactivex/qtplugin.cab

[MetaStreamCtl Class]
InProcServer32 = C:\Program Files\Viewpoint\Viewpoint Media Player\AxMetaStream_03000F10.dll
CODEBASE = https://components.viewpoint.com/MTSInstallers/MetaStream3.cab?url=http://www.viewpoint.com/cgi-bin/installer.v4/vet_install_popup.pl?2&6&04.00.08.43&unknown&unknown&http://www.space.com/php/multimedia/zoomviewer/index.php?display_img=hubble_anniv2

[HouseCall Control]
InProcServer32 = C:\WINDOWS\DOWNLO~1\CONFLICT.2\xscan60.ocx
CODEBASE = http://housecall60.trendmicro.com/housecall/xscan60.cab

[Windows Genuine Advantage Validation Tool]
InProcServer32 = C:\WINDOWS\system32\LegitCheckControl.DLL
CODEBASE = http://go.microsoft.com/fwlink/?linkid=39204

[YInstStarter Class]
InProcServer32 = C:\WINDOWS\Downloaded Program Files\yinsthelper.dll
CODEBASE = http://download.yahoo.com/dl/installs/yinst.cab

[Office Update Installation Engine]
InProcServer32 = C:\WINDOWS\opuc.dll
CODEBASE = http://office.microsoft.com/officeupdate/content/opuc.cab

[MUWebControl Class]
InProcServer32 = C:\WINDOWS\system32\muweb.dll
CODEBASE = http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1124421606223

[MsnMessengerSetupDownloadControl Class]
InProcServer32 = C:\WINDOWS\Downloaded Program Files\MsnMessengerSetupDownloader.ocx
CODEBASE = http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab

[Shockwave Flash Object]
InProcServer32 = C:\WINDOWS\system32\Macromed\Flash\Flash8.ocx
CODEBASE = http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab

[Compaq System Data Class]
InProcServer32 = C:\WINDOWS\Downloaded Program Files\sysquery.dll
CODEBASE = http://www29.compaq.com/falco/SysQuery.cab

--------------------------------------------------

Enumerating Winsock LSP files:

Protocol #1: C:\WINDOWS\system32\imslsp.dll
Protocol #2: C:\WINDOWS\system32\imslsp.dll
Protocol #3: C:\WINDOWS\system32\imslsp.dll
Protocol #4: C:\WINDOWS\system32\imslsp.dll
Protocol #5: C:\WINDOWS\system32\imslsp.dll
Protocol #6: C:\WINDOWS\system32\imslsp.dll
Protocol #7: C:\WINDOWS\system32\ZoneLabs\vetredir.dll
Protocol #8: C:\WINDOWS\system32\ZoneLabs\vetredir.dll
Protocol #9: C:\WINDOWS\system32\ZoneLabs\vetredir.dll
Protocol #15: C:\WINDOWS\system32\ZoneLabs\vetredir.dll
Protocol #16: C:\WINDOWS\system32\imslsp.dll

--------------------------------------------------

Enumerating ShellServiceObjectDelayLoad items:

PostBootReminder: C:\WINDOWS\system32\SHELL32.dll
CDBurn: C:\WINDOWS\system32\SHELL32.dll
WebCheck: C:\WINDOWS\System32\webcheck.dll
SysTray: C:\WINDOWS\System32\stobject.dll

--------------------------------------------------
End of report, 8,324 bytes
Report generated in 0.530 seconds

Command line options:
/verbose - to add additional info on each section
/complete - to include empty sections and unsuspicious data
/full - to include several rarely-important sections
/force9x - to include Win9x-only startups even if running on WinNT
/forcent - to include WinNT-only startups even if running on Win9x
/forceall - to include all Win9x and WinNT startups, regardless of platform
/history - to list version history only