PC hängenbleiben

hi,
mein PC bleibt immmer hängen, wenn ich mit Yahoo-messenge (also mit msgr8.exe) chatte. Ich hab das deinstalliert und wieder installiert aber das problem tritt immer auf.Bitte hielt mir wo ran es liegt?
hier mein HijackTHIS-log datei zum Anschauen:


Logfile of HijackThis v1.99.1
Scan saved at 23:23:17, on 26.10.2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Programme\AntiVir PersonalEdition Classic\avguard.exe
C:\WINDOWS\htpatch.exe
C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe
C:\Programme\Java\jre1.6.0_02\bin\jusched.exe
C:\Programme\Gemeinsame Dateien\Real\Update_OB\realsched.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\netdde.exe
C:\Programme\AntiVir PersonalEdition Classic\sched.exe
C:\Programme\Google\Common\Google Updater\GoogleUpdaterService.exe
C:\WINDOWS\System32\svchost.exe
C:\Programme\Gemeinsame Dateien\Microsoft Shared\VS7Debug\mdm.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\dllhost.exe
C:\WINDOWS\wanmpsvc.exe
C:\WINDOWS\System32\dmadmin.exe
C:\WINDOWS\System32\dllhost.exe
C:\Programme\Mozilla Firefox\firefox.exe
C:\Programme\Gemeinsame Dateien\Real\Update_OB\RealOneMessageCenter.exe
C:\Dokumente und Einstellungen\manh bui\Desktop\quan\hijackthis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://us.rd.yahoo.com/customize/ie/defaults/sb/msgr8/*http://www.yahoo.com/ext/search/search.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://us.rd.yahoo.com/customize/ie/defaults/sp/msgr8/*http://www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.vnexpress.net/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.yahoo.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://us.rd.yahoo.com/customize/ie/defaults/su/msgr8/*http://www.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://us.rd.yahoo.com/customize/ie/defaults/sb/msgr8/*http://www.yahoo.com/ext/search/search.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://us.rd.yahoo.com/customize/ie/defaults/sp/msgr8/*http://www.yahoo.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://us.rd.yahoo.com/customize/ie/defaults/su/msgr8/*http://www.yahoo.com
O2 - BHO: (no name) - {02478D38-C3F9-4efb-9B51-7695ECA05670} - (no file)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: Yahoo! IE Services Button - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\Programme\Yahoo!\Common\yiesrvc.dll
O2 - BHO: Canon Easy Web Print Helper - {68F9551E-0411-48E4-9AAF-4BC42A6A46BE} - C:\Programme\Canon\Easy-WebPrint\EWPBrowseLoader.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programme\Java\jre1.6.0_02\bin\ssv.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programme\Google\GoogleToolbarNotifier\2.1.615.5858\swg.dll
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Programme\Canon\Easy-WebPrint\Toolband.dll
O4 - HKLM\..\Run: [HTpatch] C:\WINDOWS\htpatch.exe
O4 - HKLM\..\Run: [avgnt] "C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programme\Java\jre1.6.0_02\bin\jusched.exe"
O4 - HKLM\..\Run: [SSBkgdUpdate] "C:\Programme\Gemeinsame Dateien\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe" -Embedding -boot
O4 - HKLM\..\Run: [ScanSoft OmniPage SE 4.0-reminder] "C:\Programme\ScanSoft\OmniPageSE4.0\Ereg\Ereg.exe" -r "C:\Dokumente und Einstellungen\All Users\Anwendungsdaten\ScanSoft\OmniPageSE4.0\Ereg\ereg.ini"
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [TkBellExe] "C:\Programme\Gemeinsame Dateien\Real\Update_OB\realsched.exe"  -osboot
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Yahoo! Pager] "C:\Programme\Yahoo!\Messenger\YahooMessenger.exe" -quiet
O8 - Extra context menu item: Easy-WebPrint - Drucken - res://C:\Programme\Canon\Easy-WebPrint\Toolband.dll/RC_Print.html
O8 - Extra context menu item: Easy-WebPrint - Schnelldruck - res://C:\Programme\Canon\Easy-WebPrint\Toolband.dll/RC_HSPrint.html
O8 - Extra context menu item: Easy-WebPrint - Vorschau - res://C:\Programme\Canon\Easy-WebPrint\Toolband.dll/RC_Preview.html
O8 - Extra context menu item: Easy-WebPrint - Zu Druckliste hinzufügen - res://C:\Programme\Canon\Easy-WebPrint\Toolband.dll/RC_AddToList.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.6.0_02\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Konsole - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.6.0_02\bin\ssv.dll
O9 - Extra button: PalTalk - {4EAFEF58-EEFA-4116-983D-03B49BCBFFFE} - C:\Programme\Paltalk Messenger\Paltalk.exe
O9 - Extra button: Yahoo! Services - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\Programme\Yahoo!\Common\yiesrvc.dll
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programme\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programme\Messenger\msmsgs.exe
O9 - Extra button: MedionShop - {01E9CF82-AE9D-42BA-A629-B23D51A4B86B} - http://www.medionshop.de/ (file missing) (HKCU)
O14 - IERESET.INF: START_PAGE_URL=http://www.medion.com/
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (Installation Support) - C:\Programme\Yahoo!\Common\Yinsthelper.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: AntiVir PersonalEdition Classic Planer (AntiVirScheduler) - Avira GmbH - C:\Programme\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Avira GmbH - C:\Programme\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programme\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: WAN Miniport (ATW) Service (WANMiniportService) - America Online, Inc. - C:\WINDOWS\wanmpsvc.exe
O23 - Service: X10 Device Network Service (x10nets) - X10 - C:\PROGRA~1\COMMON~1\X10\Common\x10nets.exe