yahoo mesenger problem

is there any problem with yahoo messenger installation? i have just installed YM over the net and the installation did finish. I can logged. But upon logging in, after approx 10 sec, it prompted an error.

Logfile of HijackThis v1.96.4
Scan saved at 8:53:26 PM, on 4/5/2004
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

Running processes:
G:\WINDOWS\System32\smss.exe
G:\WINDOWS\system32\winlogon.exe
G:\WINDOWS\system32\services.exe
G:\WINDOWS\system32\lsass.exe
G:\WINDOWS\system32\svchost.exe
G:\WINDOWS\System32\svchost.exe
G:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
G:\WINDOWS\Explorer.EXE
G:\Program Files\Common Files\Symantec Shared\ccApp.exe
G:\Program Files\Messenger\msmsgs.exe
G:\WINDOWS\System32\ctfmon.exe
G:\Program Files\IChat\iChat.exe
G:\Program Files\WinZip\WZQKPICK.EXE
G:\Program Files\Zone Labs\ZoneAlarm\zaplus.exe
G:\WINDOWS\system32\spoolsv.exe
G:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
G:\Program Files\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
G:\Program Files\Norton SystemWorks\Norton Utilities\NPROTECT.EXE
G:\PROGRA~1\NORTON~1\SPEEDD~1\nopdb.exe
G:\WINDOWS\system32\ZoneLabs\vsmon.exe
G:\Program Files\Internet Explorer\iexplore.exe
G:\Program Files\Internet Explorer\iexplore.exe
G:\Program Files\Internet Explorer\iexplore.exe
D:\Installer\networktool\antispywares\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://mail.yahoo.com/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 203.90.118.5
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - G:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {BDF3E430-B101-42AD-A544-FADC6B084872} - G:\Program Files\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - G:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - G:\Program Files\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [ccApp] "G:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "G:\Program Files\Common Files\Symantec Shared\ccRegVfy.exe"
O4 - HKCU\..\Run: [MSMSGS] "G:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] G:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [iChat] G:\Program Files\IChat\iChat.exe
O4 - HKCU\..\Run: [Yahoo! Pager] G:\Program Files\Yahoo!\Messenger\ypager.exe -quiet
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = G:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Microsoft Office.lnk = G:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: WinZip Quick Pick.lnk = G:\Program Files\WinZip\WZQKPICK.EXE
O4 - Global Startup: ZoneAlarm Plus.lnk = G:\Program Files\Zone Labs\ZoneAlarm\zaplus.exe
O8 - Extra context menu item: Download using Download &Express - G:\Program Files\Download Express\Add_Url.htm
O8 - Extra context menu item: E&xport to Microsoft Excel - res://G:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger (HKLM)
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Windows Messenger (HKLM)
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - http://download.yahoo.com/dl/installs/yinst0401.cab
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.com/CAB/x86/unicode/iuctl.CAB?38074.9275115741
O17 - HKLM\System\CCS\Services\Tcpip\..\{284A4CC9-20A8-4952-BAB0-6ABC2E972245}: NameServer = 203.90.118.66

pls help...