I am experiencing lots of problems with internet connection recently: although the wireless network connection icon says "excellent connection", internet explorer highlights no internet connection. I have to right click on the wireless network connection icon, use repair and it works again for some time. The same thing happens several times during the day. The computer is also extremely slow recently. Can anyone please assist?

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 09:43:20, on 18/09/2010
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Trusteer\Rapport\bin\RapportMgmtService.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
C:\WINDOWS\system32\spoolsv.exe
c:\program files\common files\logishrd\lvmvfm\LVPrcSrv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
C:\Program Files\Avira\AntiVir Desktop\avshadow.exe
C:\acer\Empowering Technology\ePower\epm-dm.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Program Files\Arcade\PCMService.exe
C:\WINDOWS\PixArt\PAC207\Monitor.exe
C:\Acer\Empowering Technology\admServ.exe
C:\Program Files\Logitech\QuickCam10\QuickCam10.exe
C:\Program Files\Common Files\LogiShrd\LComMgr\Communications_Helper.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Acer\Empowering Technology\eDataSecurity\eDSloader.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Acer\Empowering Technology\admtray.exe
C:\Acer\Empowering Technology\eRecovery\Monitor.exe
C:\Program Files\Common Files\LogiShrd\LComMgr\LVComSX.exe
C:\Program Files\Common Files\Logishrd\LQCVFX\COCIManager.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Vodafone\Vodafone Mobile Connect\Bin\VMCService.exe
C:\Program Files\Uniblue\RegistryBooster\registrybooster.exe
C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
C:\Program Files\FinePixViewer\QuickDCF.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Trusteer\Rapport\bin\RapportService.exe
C:\Program Files\Trend Micro\HiJackThis\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar.dll
O2 - BHO: SkypeIEPluginBHO - {AE805869-2E5C-4ED4-8F7B-F1F7851A4497} - C:\Program Files\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.6.5612.1312\swg.dll
O2 - BHO: Google Dictionary Compression sdch - {C84D72FE-E17D-4195-BB24-76C02E2E7C4E} - C:\Program Files\Google\Google Toolbar\Component\fastsearch_A8904FB862BD9564.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: Acer eDataSecurity Management - {0E1230F8-EA50-42A9-983C-D22ABC2EED3B} - C:\WINDOWS\system32\ToolBand.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar.dll
O3 - Toolbar: (no name) - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - (no file)
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [epm-dm] c:\acer\Empowering Technology\ePower\epm-dm.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [REGSHAVE] C:\Program Files\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [PCMService] "C:\Program Files\Arcade\PCMService.exe"
O4 - HKLM\..\Run: [PAC207_Monitor] C:\WINDOWS\PixArt\PAC207\Monitor.exe
O4 - HKLM\..\Run: [MSPY2002] C:\WINDOWS\system32\IME\PINTLGNT\ImScInst.exe /SYNC
O4 - HKLM\..\Run: [Monitor] C:\WINDOWS\PixArt\PAC207\Monitor.exe
O4 - HKLM\..\Run: [MobileConnect] %programfiles%\Vodafone\Vodafone Mobile Connect\Bin\MobileConnect.exe /silent
O4 - HKLM\..\Run: [LogitechQuickCamRibbon] "C:\Program Files\Logitech\QuickCam10\QuickCam10.exe" /hide
O4 - HKLM\..\Run: [LogitechCommunicationsManager] "C:\Program Files\Common Files\LogiShrd\LComMgr\Communications_Helper.exe"
O4 - HKLM\..\Run: [LaunchApp] Alaunch
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [eRecoveryService] C:\Acer\Empowering Technology\eRecovery\Monitor.exe
O4 - HKLM\..\Run: [eDataSecurity Loader] C:\Acer\Empowering Technology\eDataSecurity\eDSloader.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [ADMTray.exe] "C:\Acer\Empowering Technology\admtray.exe"
O4 - HKLM\..\Run: [Acer ePower Management] C:\Acer\Empowering Technology\ePower\Acer ePower Management.exe boot
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe"
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [OM2_Monitor] "C:\Program Files\OLYMPUS\OLYMPUS Master 2\MMonitor.exe" -NoStart
O4 - HKCU\..\Run: [RegistryBooster] "C:\Program Files\Uniblue\RegistryBooster\launcher.exe" delay 20000
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Run: [DWQueuedReporting] "C:\PROGRA~1\COMMON~1\MICROS~1\DW\dwtrig20.exe" -t (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - Global Startup: Logitech Desktop Messenger.lnk = C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
O4 - Global Startup: Exif Launcher.lnk = ?
O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\WINDOWS\system32\GPhotos.scr/200
O9 - Extra button: Sky - {08E730A4-FB02-45BD-A900-01E4AD8016F6} - http://www.skybroadband.com (file missing)
O9 - Extra button: Blog This - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: &Blog This in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: S&end to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra button: Skype add-on for Internet Explorer - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - C:\Program Files\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O9 - Extra 'Tools' menuitem: Skype add-on for Internet Explorer - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - C:\Program Files\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.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
O16 - DPF: {0CCA191D-13A6-4E29-B746-314DEE697D83} (Facebook Photo Uploader 5 Control) -
O16 - DPF: {1C3DE665-D259-4C72-9D7D-C51FCB4CCFB9} (Panasonic Network Camera) -
O16 - DPF: {2E28242B-A689-11D4-80F2-0040266CBB8D} (KXHCM10 Control) -
O16 - DPF: {474F00F5-3853-492C-AC3A-476512BBC336} (UploadListView Class) -
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) -
O16 - DPF: {7530BFB8-7293-4D34-9923-61A11451AFC5} (OnlineScanner Control) - http://download.eset.com/special/eos/OnlineScanner.cab
O16 - DPF: {8100D56A-5661-482C-BEE8-AFECE305D968} (Facebook Photo Uploader 5 Control) -
O16 - DPF: {917623D1-D8E5-11D2-BE8B-00104B06BDE3} (CamImage Class) -
O16 - DPF: {A93B47FD-9BF6-4DA8-97FC-9270B9D64A6C} (VaPgCtrl Class) -
O16 - DPF: {D6E7CFB5-C074-4D1C-B647-663D1A8D96BF} (Facebook Photo Uploader 4) -
O16 - DPF: {DE625294-70E6-45ED-B895-CFFA13AEB044} (AxisMediaControlEmb Class) -
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} (get_atlcom Class) - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O16 - DPF: {E5F5D008-DD2C-4D32-977D-1A0ADF03058B} (JuniperSetupControlXP Class) -
O16 - DPF: {E77F23EB-E7AB-4502-8F37-247DBAF1A147} (Windows Live Hotmail Photo Upload Tool) -
O16 - DPF: {FD3FF62E-61A7-48EE-A4A4-97CE7BD1F99D} (SodaAgt Class) -
O18 - Protocol: bwfile-8876480 - {9462A756-7B47-47BC-8C80-C34B9B80B32B} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\GAPlugProtocol-8876480.dll
O18 - Protocol: skype-ie-addon-data - {91774881-D725-4E58-B298-07617B9B86A8} - C:\Program Files\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O18 - Filter: x-sdch - {B1759355-3EEC-4C1E-B0F1-B719FE26E377} - C:\Program Files\Google\Google Toolbar\Component\fastsearch_A8904FB862BD9564.dll
O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: AdminWorks Agent X6 (AWService) - Avocent Inc. - C:\Acer\Empowering Technology\admServ.exe
O23 - Service: EvtEng - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - c:\program files\common files\logishrd\lvmvfm\LVPrcSrv.exe
O23 - Service: LVSrvLauncher - Logitech Inc. - C:\Program Files\Common Files\LogiShrd\SrvLnch\SrvLnch.exe
O23 - Service: Rapport Management Service (RapportMgmtService) - Trusteer Ltd. - C:\Program Files\Trusteer\Rapport\bin\RapportMgmtService.exe
O23 - Service: RegSrvc - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - Unknown owner - C:\Program Files\WinPcap\rpcapd.exe (file missing)
O23 - Service: Spectrum24 Event Monitor (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
O23 - Service: Vodafone Mobile Connect Service (VMCService) - Vodafone - C:\Program Files\Vodafone\Vodafone Mobile Connect\Bin\VMCService.exe

--
End of file - 15466 bytes

Dani AI

Generated

is right — the wireless icon only reports a radio link to an AP, not whether the PC has a valid IP route to the Internet. The fact that right‑click → Repair temporarily fixes browsing suggests a DHCP/stack or software‑interference problem rather than a weak radio. The HijackThis log posted by shows many third‑party network utilities and startup items; simplifying the network stack is a good first step.

A focused checklist to diagnose the problem (run from a command prompt):

ipconfig /all
  • Check for a valid IPv4 address and a correct Default Gateway. An address like 169.254.x.x means DHCP failed (APIPA).
ipconfig /release
ipconfig /renew
ipconfig /flushdns
  • If renew fails or returns no gateway, the router’s DHCP or a client-side driver/service is at fault. Next test local vs. Internet routing:
ping <default gateway>
ping 8.8.8.8
ping www.google.com
  • Gateway reachable but 8.8.8.8 not reachable → router/ISP problem. 8.8.8.8 reachable but DNS names fail → DNS/proxy issue.

Other important checks: confirm Internet Explorer has no proxy set (Tools → Internet Options → Connections → LAN Settings), disable any vendor wireless manager so only one wireless service controls the adapter, and boot into Safe Mode with Networking to see if the problem persists (if it doesn’t, third‑party software is likely interfering). If the Windows network stack seems corrupted, reset it:

netsh winsock reset
netsh int ip reset resetlog.txt

(reboot required; note that some security/remote‑access software may need reinstallation afterwards).

For the reported slowness: run an up‑to‑date antivirus and an anti‑malware scan, review and disable nonessential startup items (msconfig), and check Task Manager for runaway CPU/disk usage. If DHCP issues trace back to the router, reboot the router, check its DHCP pool/lease settings, and consider a firmware update.

Wireless connectivity from your PC to your router does not necessarily mean network connectivity. It just means your PC is receiving the wireless radio signal from your router. You can be receiving the wireless radio signal from your router and be "connected", but if your router is not issuing your PC an IP address, you are not connected to the network.

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