I need help!

I have no idea if I'm doing this right? But hopefully I am and you will be able to help me

My system is always freezing and now I have unwanted porn as the icing on the cake! I have way too much stuff on my system! But help would be appreciated muchly x
Logfile of HijackThis v1.97.7
Scan saved at 17:47:13, on 02/12/03
Platform: Windows 98 SE (Win9x 4.10.2222A)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\MDM.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCEVTMGR.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\MOUSE\SYSTEM\EM_EXEC.EXE
C:\PROGRAM FILES\NETROPA\MULTIMEDIA KEYBOARD\MMKEYBD.EXE
C:\PROGRAM FILES\NETROPA\ONSCREEN DISPLAY\OSD.EXE
C:\PROGRAM FILES\BT DIGITAL ACCESS USB\GSYNO.EXE
C:\PROGRAM FILES\BT DIGITAL ACCESS USB\GISDNLOG.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\WINDOWS\SYSTEM\ICSMGR.EXE
C:\PROGRAM FILES\COMMON FILES\CMEII\CMESYS.EXE
C:\WINDOWS\SYSTEM\XL.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCAPP.EXE
C:\PROGRAM FILES\COMMON FILES\REAL\UPDATE_OB\REALSCHED.EXE
C:\WINDOWS\LOADQM.EXE
C:\INTEL\DSLSETUP\PRODSL.EXE
C:\PROGRAM FILES\NETROPA\MULTIMEDIA KEYBOARD\MMUSBKB2.EXE
C:\INTEL\INTEL PSNCU\CPUNUMBER.EXE
C:\PROGRAM FILES\MAIL.COM\MCALERT.EXE
C:\PROGRAM FILES\HEWLETT-PACKARD\HP OFFICEJET T SERIES 9X\BIN\HPOSTR05.EXE
C:\PROGRAM FILES\HEWLETT-PACKARD\HP OFFICEJET T SERIES 9X\BIN\HPOVDX05.EXE
C:\PROGRAM FILES\COMMON FILES\GMT\GMT.EXE
C:\PROGRAM FILES\PRECISIONTIME\PRECISIONTIME.EXE
C:\PROGRAM FILES\DATE MANAGER\DATEMANAGER.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\WINDOWS\SYSTEM\HPOHID05.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\UNZIPPED\HIJACKTHIS\HIJACKTHIS.EXE
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://rd.yahoo.com/customize/ymsgr/defaults/sb/*http://www.yahoo.com/ext/search/search.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://rd.yahoo.com/customize/ymsgr/defaults/sb/*http://www.yahoo.com/ext/search/search.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer provided by BT Openworld
O2 - BHO: (no name) - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\PROGRAM FILES\YAHOO!\COMMON\YCOMP5_0_2_7.DLL
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAM FILES\ADOBE\ACROBAT 5.0\READER\ACTIVEX\ACROIEHELPER.OCX
O2 - BHO: (no name) - {000006B1-19B5-414A-849F-2A3C64AE6939} - C:\WINDOWS\BI.DLL
O2 - BHO: mwsBar BHO - {07B18EA1-A523-4961-B6BB-170DE4475CCA} - C:\PROGRAM FILES\MYWEBSEARCH\BAR\1.BIN\MWSBAR.DLL
O2 - BHO: MyWebSearch Search Assistant BHO - {00A6FAF1-072E-44cf-8957-5838F569A31D} - C:\PROGRAM FILES\MYWEBSEARCH\SRCHASTT\1.BIN\MWSSRCAS.DLL
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRAM FILES\YAHOO!\COMMON\YCOMP5_0_2_7.DLL
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: My &Web Search - {07B18EA9-A523-4961-B6BB-170DE4475CCA} - C:\PROGRAM FILES\MYWEBSEARCH\BAR\1.BIN\MWSBAR.DLL
O4 - HKLM\..\Run: [ScanRegistry] c:\windows\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] c:\windows\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [EM_EXEC] c:\mouse\system\em_exec.exe
O4 - HKLM\..\Run: [Multimedia Keyboard] C:\Program Files\Netropa\Multimedia Keyboard\MMKeybd.exe
O4 - HKLM\..\Run: [Onscreen Display] C:\Program Files\Netropa\Onscreen Display\OSD.exe
O4 - HKLM\..\Run: [GazelDisplay] "C:\Program Files\BT Digital Access USB\gsyno.exe" -h
O4 - HKLM\..\Run: [GisdnLog] "C:\Program Files\BT Digital Access USB\gisdnlog.exe"
O4 - HKLM\..\Run: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\Run: [ICSMGR] ICSMGR.EXE
O4 - HKLM\..\Run: [CMESys] "C:\PROGRAM FILES\COMMON FILES\CMEII\CMESYS.EXE"
O4 - HKLM\..\Run: [XtreamLok License Manager] C:\WINDOWS\SYSTEM\xl.exe start
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Program Files\Common Files\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [DSL Connection Manager] C:\intel\DSLSetup\prodsl.exe /P
O4 - HKLM\..\Run: [dhcpagnt] C:\intel\DSLSetup\dhcpagnt.exe
O4 - HKLM\..\Run: [BELT] C:\WINDOWS\BELT.exe
O4 - HKLM\..\Run: [MyWebSearch Email Plugin] C:\PROGRA~1\MYWEBS~1\BAR\1.BIN\MWSOEMON.EXE
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [Machine Debug Manager] C:\WINDOWS\SYSTEM\MDM.EXE
O4 - HKLM\..\RunServices: [ccEvtMgr] "C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe"
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Program Files\Common Files\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKLM\..\RunServices: [STOPzilla Service] C:\PROGRAM FILES\STOPZILLA!\SZNTSVC.EXE
O4 - HKCU\..\Run: [MoneyAgent] "C:\Program Files\Microsoft Money\System\Money Express.exe"
O4 - HKCU\..\Run: [IntelProcNumUtility] "C:\Intel\Intel PSNCU\CpuNumber.exe" /nosplash
O4 - HKCU\..\Run: [Mail.com] C:\Program Files\mail.com\mcalert.exe -auto
O4 - HKCU\..\Run: [MsnMsgr] "c:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - Startup: HP OfficeJet T Series Startup.lnk = C:\Program Files\Hewlett-Packard\HP OfficeJet T Series 9x\Bin\HPOstr05.exe
O4 - Startup: GStartup.lnk = C:\Program Files\Common Files\GMT\GatorRes.dll
O4 - Startup: PrecisionTime.lnk = C:\PROGRA~1\PrecisionTime\PrecisionTime.exe
O4 - Startup: Date Manager.lnk = C:\PROGRA~1\Date Manager\DateManager.exe
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: Real.com (HKLM)
O9 - Extra button: ICQ (HKLM)
O9 - Extra 'Tools' menuitem: ICQ (HKLM)
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger (HKLM)
O12 - Plugin for .mts: C:\Program Files\MetaCreations\MetaStream\npmetastream.dll
O12 - Plugin for .wav: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin.dll
O12 - Plugin for .spop: C:\PROGRA~1\INTERN~1\Plugins\NPDocBox.dll
O12 - Plugin for .bmp: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin.dll
O12 - Plugin for .swf: C:\PROGRAM FILES\NETSCAPE\COMMUNICATOR\PROGRAM\PLUGINS\NPSWF32.DLL
O12 - Plugin for .mov: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin.dll
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab