Please read details involves NT_Kernel?

I had the NT_Kernel vundo and I use to try to suppress and it is continually, with the updated Windows Help and Support icons on my desk .... Please help need my PC to make major project this weekend do not want to reinstall Windows XP ... Here are my HijackThis log:

Logs of HijackThis v1.99.1
Scan saved at 7:25:24 pm on 2/14/2008
Platform: Windows XP SP2 (WinNT 5.01. 2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

process underway:
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 \ ZCfgSvc.exe
C: \ WINDOWS \ explorer.exe
C: \ Progra ~ 1 \ McAfee \ MSC \ mcmscsvc.exe
C: \ Progra ~ 1 \ McAfee.com \ Agent \ mcagent.e ...
C: \ Program Files \ Mozilla Firefox \ firefox.exe
C: \ Program Files \ McAfee \ MSC \ mcuimgr.exe
C: \ Program Files \ HijackThis \ HIJACKTHIS.EXE

R1 - HKCU \ Software \ Microsoft \ Windows \ CurrentV ... Settings, ProxyOverride = *. Local
O3 - Toolbar: McAfee SiteAdvisor - (0BF43445-2F28-4351-9252-17FE6E806AA0) - C: \ Program Files \ SiteAdvisor \ 6253 \ SiteAdv.dll
O3 - Toolbar: (no name) - ( 3F756BC4-26CB-497E-9409-8F09C1850C80) - (no file)
O4 - HKLM \ .. \ Run: [Broadcom Wireless Manager UI] C: \ WINDOWS \ System32 \ WLTRAY.exe
O4 - HKLM \ .. \ Run: [igfxtray] C: \ WINDOWS \ System32 \ igfxtray.exe
O4 - HKLM \ .. \ Run: [igfxhkcmd] C: \ WINDOWS \ System32 \ hkcmd.exe
O4 - HKLM \ .. \ Run: [igfxpers] C: \ WINDOWS \ System32 \ igfxpers.exe
O4 - HKLM \ .. \ Run: [LXCYCATS] rundll32 C: \ WINDOWS \ System32 \ spool \ drivers \ W32X86 ...
O4 - HKLM \ .. \ Run: [KernelFaultCheck]% systemroot% \ system32 \ dumprep 0-k
O4 - HKLM \ .. \ Run: [Adobe Reader Speed Launcher] "C: \ Program Files \ Adobe \ Reader 8.0 \ Reader \ reader_sl.exe"
O4 - HKLM \ .. \ Run: [LogMeIn GUI] "C: \ Program Files \ LogMeIn \ x86 \ LogMeInSystray.exe"
O4 - HKLM \ .. \ Run: [f821ce83] rundll32.exe "C: \ WINDOWS \ system32 \ pqveqhdr.dll" b
O4 - HKCU \ .. \ Run: [ctfmon.exe] C: \ WINDOWS \ system32 \ ctfmon.exe
O4 - HKCU \ .. \ Run: [H / PC Connection Agent] "C: \ Program Files \ Microsoft ActiveSync \ wcescomm.exe"
O8 - Extra context menu item: E