a problem that i noticed was that, i've been getting this shutdown message only when i'm opening a browser window, be it ie or firefox. i ran a spybot s&d scan for which it connected to the net for downloading updates but there was no shutdown message
@saurav_cheeta
posting the log file
Logfile of HijackThis v1.99.1
Scan saved at 11:26:41 PM, on 4/9/2007
Platform: Windows 2003 (WinNT 5.02.3790)
MSIE: Internet Explorer v6.00 (6.00.3790.0000)
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:\Program Files\AVAST\aswUpdSv.exe
C:\Program Files\AVAST\aswServ.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\inetsrv\inetinfo.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\Dfssvc.exe
C:\Program Files\Huawei\MT882\dslagent.exe
C:\WINDOWS\system32\kqkzgmk.exe
C:\WINDOWS\system32\lssas.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRA~1\AVAST\aswDisp.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\cmd.exe
C:\Program Files\FIREFOX\firefox.exe
C:\Program Files\HijackThis\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = res://shdoclc.dll/hardAdmin.htm
O2 - BHO: FDMIECookiesBHO Class - {CC59E0F9-7E43-44FA-9FAA-8377850BF205} - C:\Program Files\FDM\iefdmcks.dll
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\system32\msdxm.ocx
O4 - HKLM\..\Run: [SAInstall] SaInstall.exe
O4 - HKLM\..\Run: [DSLAGENTEXE] C:\Program Files\Huawei\MT882\dslagent.exe
O4 - HKLM\..\Run: [Windows Logon Application] C:\WINDOWS\system32\winIogon.exe
O4 - HKLM\..\Run: [Advanced DHTML Enable] C:\WINDOWS\system32\kqkzgmk.exe
O4 - HKLM\..\Run: [Local Security Authority Service] C:\WINDOWS\system32\lssas.exe
O4 - HKLM\..\Run: [Microsoft Internet Explorer] C:\WINDOWS\system32\iexplore.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\AVAST\aswDisp.exe
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O8 - Extra context menu item: Download all with Free Download Manager - file://C:\Program Files\FDM\dlall.htm
O8 - Extra context menu item: Download selected with Free Download Manager - file://C:\Program Files\FDM\dlselected.htm
O8 - Extra context menu item: Download with Free Download Manager - file://C:\Program Files\FDM\dllink.htm
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O17 - HKLM\System\CCS\Services\Tcpip\..\{77A37C51-90AA-4290-B3DA-31F84E701F21}: NameServer = 218.248.240.208 218.248.255.193
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\AVAST\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\AVAST\aswServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\AVAST\aswMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\AVAST\aswWebSv.exe" /service (file missing)
i installed win2k3 sp2. i also ran the security tool provided by ms. installed spybot s&d and wormguard. as of now my rig doesn't seem to be giving me the shutdown message anymore.
however noticed a few things
spybot give me this message

the names of the old file and the file it replaces keeps changing
also in my startup there is this entry