My computer is running very slow and I restored last week

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 7:20:51 PM, on 11/12/2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18975)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\RtHDVCpl.exe
C:\Windows\System32\hkcmd.exe
C:\Windows\System32\igfxpers.exe
C:\Program Files\MSN Toolbar\Platform\4.0.0401.0\mswinext.exe
C:\Program Files\Lexmark 3500-4500 Series\lxdiamon.exe
C:\Program Files\AVG\AVG10\avgtray.exe
C:\Windows\system32\taskeng.exe
C:\Windows\system32\igfxsrvc.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\AVG\AVG10\Identity Protection\agent\bin\avgidsmonitor.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Microsoft\Search Enhancement Pack\SCServer\SCServer.exe
C:\Program Files\Google\Google Toolbar\GoogleToolbarUser_32.exe
C:\Windows\system32\Macromed\Flash\FlashUtil10k_ActiveX.exe
C:\Users\Betty\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://partnerpage.google.com/cinergymetro.net
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
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 = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Program Files\AVG\AVG10\Toolbar\IEToolbar.dll
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG10\avgssie.dll
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: (no name) - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - (no file)
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Program Files\AVG\AVG10\Toolbar\IEToolbar.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.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: MSN Toolbar BHO - {d2ce3e00-f94a-4740-988e-03dc2f38c34f} - C:\Program Files\MSN Toolbar\Platform\4.0.0401.0\npwinext.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll (file missing)
O3 - Toolbar: MSN Toolbar - {8dcb7100-df86-4384-8842-8fa844297b3f} - C:\Program Files\MSN Toolbar\Platform\4.0.0401.0\npwinext.dll
O3 - Toolbar: AVG Security Toolbar - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - C:\Program Files\AVG\AVG10\Toolbar\IEToolbar.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [MSN Toolbar] "C:\Program Files\MSN Toolbar\Platform\4.0.0401.0\mswinext.exe"
O4 - HKLM\..\Run: [Microsoft Default Manager] "C:\Program Files\Microsoft\Search Enhancement Pack\Default Manager\DefMgr.exe" -resume
O4 - HKLM\..\Run: [lxdimon.exe] "C:\Program Files\Lexmark 3500-4500 Series\lxdimon.exe"
O4 - HKLM\..\Run: [lxdiamon] "C:\Program Files\Lexmark 3500-4500 Series\lxdiamon.exe"
O4 - HKLM\..\Run: [AVG_TRAY] C:\Program Files\AVG\AVG10\avgtray.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 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe"
O4 - HKCU\..\RunOnce: [FlashPlayerUpdate] C:\Windows\system32\Macromed\Flash\FlashUtil10k_ActiveX.exe -update activex
O4 - Startup: CD-MENU.LNK = D:\AutoMenu.exe
O8 - Extra context menu item: Google Sidewiki... - res://C:\Program Files\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_89D8574934B26AC4.dll/cmsidewiki.html
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O18 - Protocol: avgsecuritytoolbar - {F2DDE6B2-9684-4A55-86D4-E255E237B77C} - C:\Program Files\AVG\AVG10\Toolbar\IEToolbar.dll
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG10\avgpp.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\Windows\system32\browseui.dll
O23 - Service: AVG Security Toolbar Service - Unknown owner - C:\Program Files\AVG\AVG10\Toolbar\ToolbarBroker.exe
O23 - Service: AVGIDSAgent - AVG Technologies CZ, s.r.o. - C:\Program Files\AVG\AVG10\Identity Protection\Agent\Bin\AVGIDSAgent.exe
O23 - Service: AVG WatchDog (avgwd) - AVG Technologies CZ, s.r.o. - C:\Program Files\AVG\AVG10\avgwdsvc.exe
O23 - Service: Google Update Service (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: lxdiCATSCustConnectService - Lexmark International, Inc. - C:\Windows\system32\spool\DRIVERS\W32X86\3\\lxdiserv.exe
O23 - Service: lxdi_device - - C:\Windows\system32\lxdicoms.exe
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe

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sorry

You don't have anything bad in your Log File.

Download CCleaner from THIS link and install it.
Use it to clean your Temporary Files, Cookies, History, Recent Files, Old Compressed files from hard drive, Memory Dumps, etc..

Also, you should fix registry issue, just click on registry in left menu panel and click Scan button, after that click Fix All. Restart your computer and let me know if it helps.