i have recently installed xp from 98se, i put in anti virus systems b4 connecting to the net but it has posed a problem, with nortons and avg i cannot get new virus updates, i got rid of one, worm/agobot, it stopped me from accessing the anti virus software but am still worried i am infected heavily, thanks for your time and help in advance, my hijack this log is as follows

Logfile of HijackThis v1.98.0
Scan saved at 4:03:59 PM, on 29/07/2004
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Telstra\Cable Login\bpcable.exe
C:\WINDOWS\System32\caj.exe
C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\PROGRA~1\Grisoft\AVG6\avgserv.exe
C:\Program Files\Norton AntiVirus\SAVScan.exe
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\PROGRA~1\YAHOO!\MESSEN~1\ypager.exe
C:\WINDOWS\System32\rsvp.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\timbo\My Documents\downloads\hijackthis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.microsoft.com/isapi/redir...ie&ar=iesearch
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.microsoft.com/isapi/redir...r=6&ar=msnhome
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.microsoft.com/isapi/redir...r=6&ar=msnhome
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.microsoft.com/isapi/redir...ie&ar=iesearch
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.microsoft.com/isapi/redir...ie&ar=iesearch
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.microsoft.com/isapi/redir.dll?prd={SUB_PRD}&clcid={SUB_CLSID}&pver={SU B_PVER}&ar=home
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://www.microsoft.com/isapi/redir...0&plcid=0x0c09
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [BigPondCable] "C:\Program Files\Telstra\Cable Login\bpcable.exe" /r
O4 - HKLM\..\Run: [Internet Explore Updates] caj.exe
O4 - HKLM\..\Run: [Microsoft Update Machine] winno.exe
O4 - HKLM\..\Run: [Microsoft Update] msconfg.exe
O4 - HKLM\..\Run: [AVG_CC] C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe /STARTUP
O4 - HKLM\..\RunServices: [Intel pro nic manager] crssI.exe
O4 - HKLM\..\RunServices: [Internet Explore Updates] caj.exe
O4 - HKLM\..\RunServices: [Microsoft Update Machine] winno.exe
O4 - HKLM\..\RunServices: [Microsoft Update] msconfg.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [Yahoo! Pager] C:\Program Files\Yahoo!\Messenger\ypager.exe -quiet
O4 - HKCU\..\Run: [Internet Explore Updates] caj.exe
O4 - HKCU\..\Run: [Microsoft Update Machine] winno.exe
O4 - HKCU\..\Run: [Microsoft Update] msconfg.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O8 - Extra context menu item: &Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm
O8 - Extra context menu item: Yahoo! &Dictionary - file:///C:\Program Files\Yahoo!\Common/ycdict.htm
O8 - Extra context menu item: Yahoo! &Maps - file:///C:\Program Files\Yahoo!\Common/ycdict.htm
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes0521.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes0521.dll
O16 - DPF: Yahoo! Literati - http://download.games.yahoo.com/game...ts/y/tt3_x.cab
O16 - DPF: Yahoo! Pool 2 - http://download.games.yahoo.com/game...s/y/pote_x.cab
O16 - DPF: {7B297BFD-85E4-4092-B2AF-16A91B2EA103} (WScanCtl Class) - http://www3.ca.com/securityadvisor/v...fo/webscan.cab
O16 - DPF: {B9191F79-5613-4C76-AA2A-398534BB8999} (YAddBook Class) - http://us.dl1.yimg.com/download.yaho...tocomplete.cab