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PC randomly shuts down

758 views 6 replies 3 participants last post by  sludge3000 
#1 ·
Hi All,

My PC randomly shuts down by itself, what info would you guys want from me in order to help with any investigations?

Cheers,

C h r e d g e.
 
#3 ·
Hi,

Thanks for the info.
Please find below my PC information and the HJT log below that.
Hope this is OK.

Field Value
Computer
Operating System Microsoft Windows XP Home Edition
OS Service Pack Service Pack 3
DirectX 4.09.00.0904 (DirectX 9.0c)

Motherboard
CPU Type DualCore Intel Pentium D 805, 2666 MHz (20 x 133)
Motherboard Name Unknown
Motherboard Chipset ATI Radeon Xpress 200
System Memory 896 MB (DDR2-533 DDR SDRAM)
BIOS Type AMI (05/26/06)
Communication Port Communications Port (COM1)
Communication Port ECP Printer Port (LPT1)

Display
Video Adapter ATI RADEON XPRESS 200 Series (256 MB)
Video Adapter ATI RADEON XPRESS 200 Series (256 MB)
3D Accelerator ATI Radeon Xpress 200 (RC410)
Monitor Plug and Play Monitor [NoDB] (63805187)

Multimedia
Audio Adapter ATI SB450 - AC'97 Audio Controller

Storage
IDE Controller ATI IDE Controller
IDE Controller Standard Dual Channel PCI IDE Controller
IDE Controller Standard Dual Channel PCI IDE Controller
SCSI/RAID Controller A69J5SC4 IDE Controller
Disk Drive SAMSUNG SP2014N (200 GB, 7200 RPM, Ultra-ATA/133)
Optical Drive INQJWDU 4TUFWD6 SCSI CdRom Device
Optical Drive Optiarc DVD RW AD-7170A
SMART Hard Disks Status OK

Partitions
C: (NTFS) 190771 MB (124355 MB free)

Input
Keyboard HID Keyboard Device
Mouse HID-compliant mouse
Mouse HID-compliant mouse
Game Controller Microsoft PC-joystick driver

Peripherals
Printer Lexmark 730 Series
Printer Microsoft Office Document Image Writer
USB1 Controller ATI SB450 - USB Controller
USB1 Controller ATI SB450 - USB Controller
USB2 Controller ATI SB450 - USB 2.0 Controller
USB Device Generic USB Hub
USB Device USB Composite Device
USB Device USB Human Interface Device
USB Device USB Human Interface Device
USB Device USB Human Interface Device
USB Device USB Human Interface Device
USB Device USB Printing Support
USB Device USB20 Camera

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 08:28:24, on 14/04/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP3 (6.00.2900.5512)
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\ASUS\ASUS Remote\RemoteControlAppl.exe
C:\Program Files\Vista Start Menu\VistaStartMenu.exe
C:\Program Files\PCL-3000\Driver\WATCH.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Google\Update\GoogleUpdate.exe
C:\WINDOWS\system32\PnkBstrA.exe
C:\WINDOWS\system32\PnkBstrB.exe
C:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\APPLICATIONS\Mozilla Firefox\firefox.exe
C:\PROGRA~1\MICROS~2\OFFICE11\OUTLOOK.EXE
C:\Program Files\Microsoft Office\OFFICE11\WINWORD.EXE
C:\Program Files\Microsoft\Office Live\OfficeLiveSignIn.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://search.live.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://search.live.com/sphome.aspx
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SearchHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
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: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.1.1309.3572\swg.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [RemoteControl] C:\Program Files\ASUS\ASUS Remote\RemoteControlAppl.exe
O4 - HKCU\..\Run: [VistaStartMenu] "C:\Program Files\Vista Start Menu\VistaStartMenu.exe"
O4 - Global Startup: Watch.lnk = C:\Program Files\PCL-3000\Driver\WATCH.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: Blog This - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: &Blog This in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.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: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Lavasoft - C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Google Update Service (gupdate1c98f53b3e80b5a) (gupdate1c98f53b3e80b5a) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: lxcf_device - - C:\WINDOWS\system32\lxcfcoms.exe
O23 - Service: PnkBstrA - Unknown owner - C:\WINDOWS\system32\PnkBstrA.exe
O23 - Service: PnkBstrB - Unknown owner - C:\WINDOWS\system32\PnkBstrB.exe

--
End of file - 5913 bytes
 
#6 ·
Hi Sludge3000,

Thanks for the reply.

No blue screen, the PC just reboots itself. I do not have any temperature monitoring software. Should I have this and what's the best one? (something I've never thought of before).

Avast is always running in the background so there's no need for a full scan (or is there? how do I start this from Avast?)

Can you see anything from the log I posted?

Hope this is enough info.

Cheers,

C h r e d g e.
 
#7 ·
Hi Chredge,
I'm afraid i'm not qualified to assess these logs but at a glance there doesn't appear to be a major problem. These logs don't always point out viruses however which is why it's always good to ensure you antivirus is up to date and run a full scan.

To be honest it sounds more like a overheating issue. You should ensure that all intake vents on your PC are clear of dust. If you open the case of your PC ensure that you are grounded before touching anything by either using a grounded wristband or you can touch a metal part of the case. Once grounded disconnect the power cable from the back of the PC. Try to avoid touching any of the electronic parts within the PC. Ensure that the intake vents are clear of dust and if you can check if there is a build up of dust on the CPU heatsink. If there is a large amount of dust on your CPU heatsink and you are unsure of safe cleaning processes post back.
 
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