Problems with using battle.net

I have been trying to log on to battle.net for some time now on my inspiron e1705 with Star Craft but have problems getting on about 85% of the time. I get an error telling me that the game files have been changed or that there is a virus on my system. So I went through about 6 virus programs with no luck. So I reformated and reloaded the system only loading what was needed to run and I still recieve the same problems. I tried to play without any virus protectors or firewalls installed and the Microsoft firewall turned off and still same problem. When it does let me on it has no problems. I went so far as to go buy another game CD and still same problem. I have contacted battlenet and they tell me that it has to be a virus on my system. Please help

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 4:50:58 PM, on 2/22/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16608)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\WLTRYSVC.EXE
C:\WINDOWS\System32\bcmwltry.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\SCardSvr.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\system32\WLTRAY.exe
C:\Program Files\SigmaTel\C-Major Audio\WDM\stsystra.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\ActivCard\ActivCard Gold\acevtsrv.exe
C:\Program Files\iolo\System Mechanic Professional 7\SMSystemAnalyzer.exe
C:\Program Files\iolo\System Mechanic Professional 7\AntiVirus\ioloAV.exe
C:\WINDOWS\system32\RunDLL32.exe
C:\Program Files\iolo\System Mechanic Professional 7\Personal Firewall\ioloFW.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Common Files\ActivCard\acachsrv.exe
C:\Program Files\Common Files\ActivCard\acautoreg.exe
C:\Program Files\ActivCard\ActivCard Gold\agquickp.exe
C:\Program Files\Common Files\ActivCard\accoca.exe
C:\Program Files\iolo\common\lib\ioloServiceManager.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\msiexec.exe
C:\Program Files\iolo\System Mechanic Professional 7\AntiVirus\iAVEmailScanner.exe
C:\Program Files\Common Files\Authentium\AntiVirus\dvpapi.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe

O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [Broadcom Wireless Manager UI] C:\WINDOWS\system32\WLTRAY.exe
O4 - HKLM\..\Run: [SigmatelSysTrayApp] %ProgramFiles%\SigmaTel\C-Major Audio\WDM\stsystra.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NVHotkey] rundll32.exe nvHotkey.dll,Start
O4 - HKLM\..\Run: [acEventServ] "C:\Program Files\ActivCard\ActivCard Gold\acevtsrv.exe"
O4 - HKLM\..\Run: [SMSystemAnalyzer] "C:\Program Files\iolo\System Mechanic Professional 7\SMSystemAnalyzer.exe"
O4 - HKLM\..\Run: [iolo AntiVirus] "C:\Program Files\iolo\System Mechanic Professional 7\AntiVirus\ioloAV.exe"
O4 - HKLM\..\Run: [NvMediaCenter] RunDLL32.exe NvMCTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [iolo Personal Firewall] "C:\Program Files\iolo\System Mechanic Professional 7\Personal Firewall\ioloFW.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: ActivCard Gold Smart Card Agent.lnk = C:\Program Files\ActivCard\ActivCard Gold\agquickp.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O10 - Unknown file in Winsock LSP: c:\windows\system32\iavlsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\iavlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\iolo\common\firewall\ifw_xfilter.dll
O10 - Unknown file in Winsock LSP: c:\program files\iolo\common\firewall\ifw_xfilter.dll
O10 - Unknown file in Winsock LSP: c:\program files\iolo\common\firewall\ifw_xfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\iavlsp.dll
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O20 - Winlogon Notify: acAuth - C:\WINDOWS\SYSTEM32\acauth.dll
O23 - Service: ActivCard Authentication Service (ACachSrv) - ActivCard - C:\Program Files\Common Files\ActivCard\acachsrv.exe
O23 - Service: ActivCard Gold Autoregister (acautoreg) - ActivCard S.A. - C:\Program Files\Common Files\ActivCard\acautoreg.exe
O23 - Service: ActivCard Gold service (Accoca) - ActivCard - C:\Program Files\Common Files\ActivCard\accoca.exe
O23 - Service: DvpApi (dvpapi) - Authentium, Inc. - C:\Program Files\Common Files\Authentium\AntiVirus\dvpapi.exe
O23 - Service: iolo FileInfoList Service (ioloFileInfoList) - Unknown owner - C:\Program Files\iolo\common\lib\ioloServiceManager.exe
O23 - Service: iolo System Service (ioloSystemService) - Unknown owner - C:\Program Files\iolo\common\lib\ioloServiceManager.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Dell Wireless WLAN Tray Service (wltrysvc) - Unknown owner - C:\WINDOWS\System32\WLTRYSVC.EXE

--
End of file - 5592 bytes