I'm having a problem with my computer right now. every time I try to open windows task manager or regedit, it closes immediately. my computer also seemed to have slowed down a bit. Any help would be appreciated.

Here is the log of Hijackthis:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 8:57:10 PM, on 4/28/2012
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

Running processes:
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\Program Files\Trend Micro\RUBotted\TMRUBottedTray.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\USB 2.0 PC CAMERA\Camera Snap.exe
C:\Program Files\Trend Micro\RUBotted\TMRUBotted.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Documents and Settings\user\My Documents\sir files2\Antivirus stuff\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://google.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.sweetim.com
R3 - URLSearchHook: SweetIM ToolbarURLSearchHook Class - {EEE6C35D-6118-11DC-9C72-001320C79847} - C:\Program Files\SweetIM\Toolbars\Internet Explorer\mgHelper.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Microsoft Helper - {C9C42510-9B41-42c1-9DCD-7282A2D07C65} - C:\Documents and Settings\user\Application Data\Microsoft\BHO32-WGSTI.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: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: SWEETIE - {EEE6C35C-6118-11DC-9C72-001320C79847} - C:\Program Files\SweetIM\Toolbars\Internet Explorer\mgToolbarIE.dll
O3 - Toolbar: SweetPacks Toolbar for Internet Explorer - {EEE6C35B-6118-11DC-9C72-001320C79847} - C:\Program Files\SweetIM\Toolbars\Internet Explorer\mgToolbarIE.dll
O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.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: [TMRUBottedTray] "C:\Program Files\Trend Micro\RUBotted\TMRUBottedTray.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [Microsoft Firewall 2.9] C:\DOCUME~1\user\LOCALS~1\Temp\MSFW.exe
O4 - HKLM\..\Run: [Snap] C:\Program Files\USB 2.0 PC CAMERA\Camera Snap.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKCU\..\Run: [Microsoft Firewall 2.9] C:\DOCUME~1\user\LOCALS~1\Temp\MSFW.exe
O4 - HKCU\..\Run: [Fmjqjv] C:\Documents and Settings\user\Application Data\Fmjqjv.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [{00831268-F9C4-4268-6859-0DE0A84C49DD}] "C:\Documents and Settings\user\Application Data\Ewcia\paqu.exe"
O4 - HKCU\..\Run: [Microsoft Security Essentials] C:\Documents and Settings\user\Application Data\explorateur\explorateur.exe
O4 - HKUS\S-1-5-18\..\RunOnce: [RunNarrator] Narrator.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [RunNarrator] Narrator.exe (User 'Default user')
O4 - Global Startup: AutoCAD Startup Accelerator.lnk = C:\Program Files\Common Files\Autodesk Shared\acstart17.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Search the Web - C:\Program Files\SweetIM\Toolbars\Internet Explorer\resources\menuext.html
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\WINDOWS\system32\Macromed\Flash\FlashPlayerUpda teService.exe
O23 - Service: BCL easyPDF SDK Loader (ai7m5fmis4mqn) - Unknown owner - C:\WINDOWS\system32\louhyt.exe (file missing)
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: BeTwin Terminal Services (aoypd6oayuyu) - Unknown owner - C:\Documents and Settings\LocalService\Application Data\Microsoft\duridou.exe (file missing)
O23 - Service: Autodesk Licensing Service - Autodesk - C:\Program Files\Common Files\Autodesk Shared\Service\AdskScSrv.exe
O23 - Service: ##Id_String1.6844F930_1628_4223_B5CC_5BB94B879762# # (Bonjour Service) - Apple Computer, Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Network Connectivity Service (lo6moirc7diuot) - Unknown owner - C:\WINDOWS\system32\nafuwoul.exe (file missing)
O23 - Service: Trend Micro RUBotted Service (RUBotted) - Trend Micro Inc. - C:\Program Files\Trend Micro\RUBotted\TMRUBotted.exe
O23 - Service: ASF Agent (yj5y8iul9f) - Unknown owner - C:\Documents and Settings\LocalService\Application Data\Microsoft\vipymmiroo.exe (file missing)

End of file - 6135 bytes