Random Restart

My Computer randomly restarts every now and then, i was having problems with backweb earlier but i think i fixed that here is my hijack log thanks

Logfile of HijackThis v1.97.7
Scan saved at 7:58:53 PM, on 4/12/2004
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:\WINDOWS\Explorer.EXE
c:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
c:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
c:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
C:\windows\system\hpsysdrv.exe
C:\WINDOWS\System32\hkcmd.exe
C:\WINDOWS\System32\hphmon05.exe
C:\HP\KBD\KBD.EXE
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\WINDOWS\LTMSG.exe
C:\WINDOWS\ALCXMNTR.EXE
C:\Program Files\MUSICMATCH\MUSICMATCH Jukebox\mmtask.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb08.exe
C:\Program Files\Hewlett-Packard\HP Software Update\HPWuSchd.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\Program Files\HP\Digital Imaging\bin\hpotdd01.exe
C:\Program Files\NoAds\NoAds.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\interMute\SpamSubtract\SpamSub.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Owner\Local Settings\Temp\Temporary Directory 4 for hijackthis.zip\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://srch-qus10.hpwis.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://srch-qus10.hpwis.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://qus10.hpwis.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://srch-qus10.hpwis.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://qus10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://srch-qus10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://srch-qus10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://qus10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://srch-qus10.hpwis.com/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,Shellnext = http://qus10.hpwis.com/
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {549B5CA7-4A86-11D7-A4DF-000874180BB3} - (no file)
O2 - BHO: (no name) - {BDF3E430-B101-42AD-A544-FADC6B084872} - c:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {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
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [HPHUPD05] c:\Program Files\HP\{45B6180B-DCAB-4093-8EE8-6164457517F0}\hphupd05.exe
O4 - HKLM\..\Run: [HPHmon05] C:\WINDOWS\System32\hphmon05.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [UpdateManager] "C:\Program Files\Common Files\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [ccApp] "c:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [LTMSG] LTMSG.exe 7
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [AlcxMonitor] ALCXMNTR.EXE
O4 - HKLM\..\Run: [Reminder] "C:\Windows\Creator\Remind_XP.exe"
O4 - HKLM\..\Run: [mmtask] C:\Program Files\MUSICMATCH\MUSICMATCH Jukebox\mmtask.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb08.exe
O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\Hewlett-Packard\HP Software Update\HPWuSchd.exe"
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [DeviceDiscovery] C:\Program Files\HP\Digital Imaging\bin\hpotdd01.exe
O4 - HKCU\..\Run: [NoAds] "C:\Program Files\NoAds\NoAds.exe"
O4 - Startup: spamsubtract.lnk = C:\Program Files\interMute\SpamSubtract\SpamSub.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: Quicken Scheduled Updates.lnk = C:\Program Files\Quicken\bagent.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O9 - Extra 'Tools' menuitem: Sun Java Console (HKLM)
O9 - Extra button: Research (HKLM)
O9 - Extra button: AIM (HKLM)

 

do any of you know if any of these are bad or malicious? Are they causing the restart problem? I really appreciate all of your help