HijackThis Logfile

Here is my log file.
I tried to delete the hjchq1.dll line without result.
Windows 2000 operating system
Thanks

Logfile of HijackThis v1.99.1
Scan saved at 9.05.10, on 06/10/2006
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\System32\tcpsvcs.exe
C:\Programmi\File comuni\Microsoft Shared\VS7Debug\mdm.exe
C:\WINNT\System32\nvsvc32.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\PROGRA~1\Grisoft\AVG7\avgfwsrv.exe
C:\WINNT\Explorer.EXE
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\WINNT\system32\ctfmon.exe
C:\Programmi\Hewlett-Packard\AiO\hp officejet g series\Bin\hpoavn07.exe
C:\Programmi\Microsoft Office\Office10\msoffice.exe
C:\PROGRA~1\HEWLET~1\AiO\Shared\Bin\hpoevm07.exe
C:\Programmi\Hewlett-Packard\AiO\Shared\bin\hpOSTS07.exe
C:\Programmi\Hewlett-Packard\AiO\Shared\bin\hpOFXM07.exe
C:\Documents and Settings\Ufficio\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.corriere.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - Default URLSearchHook is missing
O2 - BHO: Class - {D4B55C46-2BA4-BF19-824A-3CD947BF6739} - C:\WINNT\hjchq1.dll (file missing)
O3 - Toolbar: @msdxmLC.dll,-1@1040,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE NvQTwk,NvCplDaemon initialize
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [SSBkgdUpdate] "C:\Programmi\File comuni\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe" -Embedding -boot
O4 - HKLM\..\Run: [PDF3 Registry Controller] "C:\Programmi\ScanSoft\PDF Converter 3.0\\RegistryController.exe"
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - Global Startup: hpaiodevice(hp officejet g series) - 1.lnk = C:\Programmi\Hewlett-Packard\AiO\hp officejet g series\Bin\hpoavn07.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: Apri PDF in Word (PDF Converter 3.0) - res://C:\Programmi\ScanSoft\PDF Converter 3.0\IEShellExt.dll /400
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_06\bin\ssv.dll (file missing)
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_06\bin\ssv.dll (file missing)
O10 - Unknown file in Winsock LSP: c:\winnt\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\avgfwafu.dll
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} - http://software-dl.real.com/293b6452f3acfe…RdxIE601_it.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/…b?1143828116578
O17 - HKLM\System\CCS\Services\Tcpip\..\{103721C9-A578-4140-B2A0-44C6993B5025}: NameServer = 212.17.192.49,212.17.192.216
O17 - HKLM\System\CS1\Services\Tcpip\..\{103721C9-A578-4140-B2A0-44C6993B5025}: NameServer = 212.17.192.49,212.17.192.216
O17 - HKLM\System\CS2\Services\Tcpip\..\{103721C9-A578-4140-B2A0-44C6993B5025}: NameServer = 212.17.192.49,212.17.192.216
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
O23 - Service: AVG Firewall (AVGFwSrv) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgfwsrv.exe
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINNT\System32\nvsvc32.exe