my computer is slow and sometimes my sound device gets turned off

here is my hijacked logLogfile of HijackThis v1.99.1
Scan saved at 5:10:32 AM, on 08/17/2006
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\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\PackethSvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
C:\Program Files\Compaq\Compaq Advisor\bin\compaq-rba.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\wanmpsvc.exe
C:\WINDOWS\System32\alg.exe
C:\PROGRA~1\VCOM\SYSTEM~1\mxtask.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\Updater.exe
C:\WINDOWS\system32\carpserv.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\PROGRA~1\VCOM\SYSTEM~1\SSuite.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\Program Files\Spyware Doctor\swdoctor.exe
C:\WINDOWS\system32\taskmgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\DOCUME~1\Angie\LOCALS~1\Temp\Temporary Directory 1 for hijackthis.zip\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.msn.com/0SEENUS/SAOS01?FORM=TOOLBR
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://g.msn.com/0SEENUS/SAOS01?FORM=TOOLBR
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com/
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/defaul…//www.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://us.rd.yahoo.com/customize/ie/defaul…rch/search.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://us.rd.yahoo.com/customize/ie/defaul…//www.yahoo.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://g.msn.com/0SEENUS/SAOS01?FORM=TOOLBR
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://runonce.msn.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by Compaq
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - Default URLSearchHook is missing
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\Userinit.exe
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn1\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Yahoo! IE Services Button - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\Program Files\Yahoo!\Common\yiesrvc.dll
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~2\tools\iesdsg.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - C:\PROGRA~1\SPYWAR~2\tools\iesdpb.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn1\yt.dll
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Program Files\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [DSL Connection Tool] C:\Program Files\MSN\MSNIA\dslmon.exe
O4 - HKLM\..\Run: [iRiver Updater] \Updater.exe
O4 - HKLM\..\Run: [CARPService] carpserv.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [AdaptecDirectCD] C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [Fix-It AV] C:\PROGRA~1\VCOM\SYSTEM~1\MemCheck.exe
O4 - HKCU\..\Run: [MoneyAgent] "c:\Program Files\Microsoft Money\System\Money Express.exe"
O4 - HKCU\..\Run: [Spyware Doctor] "C:\Program Files\Spyware Doctor\swdoctor.exe" /Q
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: &Translate English Word - res://c:\program files\google\GoogleToolbar1.dll/cmwordtrans.html
O8 - Extra context menu item: &Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm
O8 - Extra context menu item: Backward Links - res://c:\program files\google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://c:\program files\google\GoogleToolbar1.dll/cmcache.html
O8 - Extra context menu item: Similar Pages - res://c:\program files\google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Translate Page into English - res://c:\program files\google\GoogleToolbar1.dll/cmtrans.html
O8 - Extra context menu item: Yahoo! &Dictionary - file:///C:\Program Files\Yahoo!\Common/ycdict.htm
O8 - Extra context menu item: Yahoo! &Maps - file:///C:\Program Files\Yahoo!\Common/ycmap.htm
O8 - Extra context menu item: Yahoo! &SMS - file:///C:\Program Files\Yahoo!\Common/ycsms.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\npjpi150_06.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\npjpi150_06.dll
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~2\tools\iesdpb.dll
O9 - Extra button: Yahoo! Services - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\Program Files\Yahoo!\Common\yiesrvc.dll
O9 - Extra button: (no name) - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - (no file)
O9 - Extra button: MoneySide - {E023F504-0C5A-4750-A1E7-A9046DEA8A21} - c:\Program Files\Microsoft Money\System\mnyviewer.dll
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
O9 - Extra button: Advisor - {5A41F7A8-DC3E-49BF-867A-B62E9679F62F} - C:\Program Files\COMPAQ\Compaq Advisor\bin\rbaLauncher.exe (file missing) (HKCU)
O12 - Plugin for .wmv: C:\Program Files\Compaq\Netscape Custom NA XP\PLUGINS\npdsplay.dll
O14 - IERESET.INF: START_PAGE_URL=http://store.presario.net/scripts/redirectors/presario/storeredir2.dll?s=consumerfav&c=1c02&lc=0409
O15 - Trusted Zone: http://secure.bellerockgaming.com
O15 - Trusted Zone: http://*.interracialmag.com
O15 - Trusted Zone: http://*.InterracialXXXMag.com
O16 - DPF: Yahoo! Spades - http://download.games.yahoo.com/games/clients/y/st2_x.cab
O16 - DPF: {05D44720-58E3-49E6-BDF6-D00330E511D3} (StagingUI Object) - http://zone.msn.com/binFrameWork/v10/StagingUI.cab46479.cab
O16 - DPF: {33E54F7F-561C-49E6-929B-D7E76D3AFEB1} (Pool Control) - http://www.worldwinner.com/games/v48/pool/pool.cab
O16 - DPF: {3A7FE611-1994-4EF1-A09F-99456752289D} - http://install.wildtangent.com/ActiveLaunc…iveLauncher.cab
O16 - DPF: {3BB54395-5982-4788-8AF4-B5388FFDD0D8} (ZoneBuddy Class) - http://zone.msn.com/BinFrameWork/v10/ZBuddy.cab32846.cab
O16 - DPF: {41D1977F-4161-4720-800F-EA4903983A38} (Jigsaw Genius Control) - http://www.worldwinner.com/games/v42/jigsaw/jigsaw.cab
O16 - DPF: {5736C456-EA94-4AAC-BB08-917ABDD035B3} (ZonePAChat Object) - http://zone.msn.com/binframework/v10/ZPAChat.cab32846.cab
O16 - DPF: {58FC4C77-71C2-4972-A8CD-78691AD85158} (BJA Control) - http://www.worldwinner.com/games/v49/bjattack/bjattack.cab
O16 - DPF: {5EE92643-21CE-4949-903F-39439DCC3944} (Shapetris Control) - http://www.worldwinner.com/games/v42/shape/shape.cab
O16 - DPF: {615F158E-D5CA-422F-A8E7-F6A5EED7063B} (Bejeweled Control) - http://www.worldwinner.com/games/v44/bejeweled/bejeweled.cab
O16 - DPF: {62969CF2-0F7A-433B-A221-FD8818C06C2F} (Blockwerx Control) - http://www.worldwinner.com/games/v47/blockwerx/blockwerx.cab
O16 - DPF: {7E980B9B-8AE5-466A-B6D6-DA8CF814E78A} (MJLauncherCtrl Class) - http://zone.msn.com/bingame/chnz/default/mjolauncher.cab
O16 - DPF: {8A94C905-FF9D-43B6-8708-F0F22D22B1CB} (Wwlaunch Control) - http://www.worldwinner.com/games/shared/wwlaunch.cab
O16 - DPF: {94299420-321F-4FF9-A247-62A23EBB640B} (WordMojo Control) - http://www.worldwinner.com/games/v45/wordmojo/wordmojo.cab
O16 - DPF: {9903F4ED-B673-456A-A15F-ED90C7DE9EF5} (Sol Control) - http://www.worldwinner.com/games/v45/sol/sol.cab
O16 - DPF: {A4110378-789B-455F-AE86-3A1BFC402853} (ZPA_SHVL Object) - http://zone.msn.com/bingame/zpagames/zpa_shvl.cab46704.cab
O16 - DPF: {A91FB93D-7561-4524-8484-5C27C8FA8D42} (WwLuxor Control) - http://www.worldwinner.com/games/v46/luxor/luxor.cab
O16 - DPF: {AC2881FD-5760-46DB-83AE-20A5C6432A7E} (SwapIt Control) - http://www.worldwinner.com/games/v64/swapit/swapit.cab
O16 - DPF: {B06CE1BC-5D9D-4676-BD28-1752DBF394E0} (Hangman Control) - http://www.worldwinner.com/games/v40/hangman/hangman.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://cdn2.zone.msn.com/binFramework/v10/…ro.cab34246.cab
O16 - DPF: {C93C1C34-CEA9-49B1-9046-040F59E0E0D8} (Paint Control) - http://www.worldwinner.com/games/v42/paint/paint.cab
O16 - DPF: {DA2AA6CF-5C7A-4B71-BC3B-C771BB369937} (StadiumProxy Class) - http://zone.msn.com/binframework/v10/StProxy.cab41227.cab
O16 - DPF: {E5D419D6-A846-4514-9FAD-97E826C84822} - http://fdl.msn.com/zone/datafiles/heartbeat.cab
O16 - DPF: {E70E3E64-2793-4AEF-8CC8-F1606BE563B0} (WWSpades Control) - http://www.worldwinner.com/games/v46/wwspades/wwspades.cab
O17 - HKLM\System\CCS\Services\VxD\MSTCP: Domain = mydomain.com
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
O23 - Service: Compaq Advisor (Compaq_RBA) - NeoPlanet - C:\Program Files\Compaq\Compaq Advisor\bin\compaq-rba.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Virtual NIC Service (PackethSvc) - America Online, Inc. - C:\WINDOWS\System32\PackethSvc.exe
O23 - Service: PC Tools Spyware Doctor (SDhelper) - PC Tools Research Pty Ltd - C:\Program Files\Spyware Doctor\sdhelp.exe
O23 - Service: SystemSuite Task Manager - Avanquest Publishing USA, Inc. - C:\PROGRA~1\VCOM\SYSTEM~1\MXTask.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
O23 - Service: WAN Miniport (ATW) Service (WANMiniportService) - America Online, Inc. - C:\WINDOWS\wanmpsvc.exe