this keeps appearing on my screen

Here is my log as suggested by you in msg to dmcd

Logfile of HijackThis v1.97.7
Scan saved at 11:22:36 AM, on 18/04/04
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\MPREXE.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\PROGRAM FILES\OPISTAT\OPISTAT\OPISTAT.EXE
C:\WINDOWS\SYSTEM\QTTASK.EXE
C:\MOUSE\SYSTEM\EM_EXEC.EXE
C:\PROGRAM FILES\MYWEBSEARCH\BAR\1.BIN\MWSOEMON.EXE
C:\PROGRAM FILES\REAL\REALPLAYER\REALPLAY.EXE
C:\PROGRAM FILES\AIM95\AIM.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\PROGRAM FILES\AOL 8.0A\WAOL.EXE
C:\PROGRAM FILES\AOL 8.0A\SHELLMON.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\UNZIPPED\HIJACKTHIS1977[1]\HIJACKTHIS.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.freeserve.com/iesearch/default.htm
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by Freeserve
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,Shellnext = http://www.freeserve.com/
O2 - BHO: (no name) - {B930BA63-9E5A-11D3-A288-0000E80E2EDE} - (no file)
O2 - BHO: (no name) - {1E1B2879-88FF-11D2-8D96-D7ACAC95951F} - (no file)
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAM FILES\ADOBE\ACROBAT 5.0\READER\ACTIVEX\ACROIEHELPER.OCX
O2 - BHO: (no name) - {EBBFE27C-BDF0-11D2-BBE5-00609419F467} - Q:\FILES\BOARD\CLASS~27\AMCIS.DLL (file missing)
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: (no name) - {A3E3F04C-F98C-4295-95EF-41C57425B077} - (no file)
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: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [Essdc] essdc.exe
O4 - HKLM\..\Run: [Microsoft WebServer] C:\Program Files\WebSvr\System\svctrl /init
O4 - HKLM\..\Run: [OpiStat] C:\PROGRA~1\OPISTAT\OPISTAT\OPISTAT.EXE
O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM\QTTASK.EXE" -atboottime
O4 - HKLM\..\Run: [EM_EXEC] C:\MOUSE\SYSTEM\EM_EXEC.EXE
O4 - HKLM\..\Run: [MyWebSearch Email Plugin] C:\PROGRA~1\MYWEBS~1\BAR\1.BIN\MWSOEMON.EXE
O4 - HKLM\..\Run: [RealTray] C:\Program Files\Real\RealPlayer\RealPlay.exe SYSTEMBOOTHIDEPLAYER
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKCU\..\Run: [AIM] C:\PROGRAM FILES\AIM95\aim.exe -cnetwait.odl
O4 - HKCU\..\Run: [MyWebSearch Email Plugin] C:\PROGRA~1\MYWEBS~1\BAR\1.BIN\MWSOEMON.EXE
O4 - Startup: AOL 8.0 Tray Icon.lnk = C:\Program Files\AOL 8.0a\aoltray.exe
O4 - Startup: MyWebSearch Email Plugin.lnk = C:\Program Files\MyWebSearch\bar\1.bin\MWSOEMON.EXE
O8 - Extra context menu item: Download using &Mass Downloader - C:\PROGRAM FILES\MASS DOWNLOADER\Add_Url.htm
O8 - Extra context menu item: Download &All using Mass Downloader - C:\PROGRAM FILES\MASS DOWNLOADER\Add_All.htm
O8 - Extra context menu item: Download using Offline &Explorer - file://C:\PROGRAM FILES\OFFLINE EXPLORER\Add_UrlO.htm
O8 - Extra context menu item: Download the &current page with Offline Explorer - file://C:\PROGRAM FILES\OFFLINE EXPLORER\Add_AllO.htm
O8 - Extra context menu item: &Search - http://bar.mywebsearch.com/menusearch.html?p=ZRxdm016
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: Real.com (HKLM)
O9 - Extra button: AIM (HKLM)
O9 - Extra button: Mass Downloader (HKLM)
O9 - Extra 'Tools' menuitem: &Mass Downloader (HKLM)
O9 - Extra 'Tools' menuitem: Sun Java Console (HKLM)
O10 - Broken Internet access because of LSP provider 'nmtracer.dll' missing
O12 - Plugin for .scr: C:\Program Files\Netscape\Communicator\Program\PLUGINS\NPAUDIO.DLL
O12 - Plugin for .spop: C:\PROGRA~1\INTERN~1\Plugins\NPDocBox.dll
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004033001/housecall.antivirus.com/housecall/xscan53.cab
O17 - HKLM\System\CCS\Services\VxD\MSTCP: Domain = aoldsl.net