ok well recently (within the last month) my pc (well, my family pc) has became gradually more Laggy. About 2 weeks ago i started getting boot errors (one was Disk read error - press Ctrl+Alt+Del to retry) as well as other errors related to my BIOS. Somehow PXE became enabled so every now and then the pc would try and boot from a server and fail (which was fixed thanks to the help of these forums), and at the same time (i assume, not quite sure) the floppy drive controller got enabled in the BIOS even though the pc doesn't have a floppy (which was also fixed thanks to these forums). I assumed maybe something weird happened and it re-enabled or my brother or someone else in the house decided to investigate what pressing F8 (i think) on start up does and had a play around. About 3 days ago windows started taking ages to boot from the XP loading logo. Yesterday when i booted up (this also happened once about 2 weeks ago, and found a couple of errors and fixed them apparently) windows started running a chkdsk (check disk i assume). I skipped it because i was in a rush. As long as starting to take ages to boot when it finally does boot (you get to the logon screen) you cant scroll over or click on the names for the first 5 or 10 seconds (you can but they don't highlight when scrolled over and don't select ready to enter the password when clicked). I've never seen this before. Also occasionally (im fairly sure) it will make a quick beep sound sometime while it is lagging (from the actual pc case, not the speakers). When you finally logon there is really bad boot lag for the first 15 seconds (and it still laggy for the next couple of minutes), by really bad i mean windows seems to be running at about 3 fps and clicking the start menu may as well mean go and get a coffee. This is only for the first 15 seconds or so, and it has never been that bad. It also sometimes makes a beep sound the same as described above when logging on. Here are my specs (the pc is about 3 years old i think, a bit less maybe): Win XP Media center edition 2005 Intel P4 630 3.0GHZ processor 2GB DDR ram (it was 512mb, i upgraded it 6 months ago) 160gb HDD 7200rpm (ill open the case and check brand if anyone needs to know, im not sure what it is) ATI Radeon X300SE graphics card (128mb) Integrated Intel High Definition 5.1 sound Here is a HijackThis log (taken just minutes ago just after i logged on and experienced the beeps and extreme lag for a few seconds): [hide=Hijackthis Log]Logfile of Trend Micro HijackThis v2.0.2 Scan saved at 4:24:12 PM, on 3/09/2008 Platform: Windows XP SP3 (WinNT 5.01.2600) MSIE: Internet Explorer v7.00 (7.00.6000.16705) Boot mode: Normal Running processes: C:\WINDOWS\System32\smss[Caution: Executable File] C:\WINDOWS\system32\winlogon[Caution: Executable File] C:\WINDOWS\system32\services[Caution: Executable File] C:\WINDOWS\system32\lsass[Caution: Executable File] C:\WINDOWS\system32\Ati2evxx[Caution: Executable File] C:\WINDOWS\system32\svchost[Caution: Executable File] C:\WINDOWS\System32\svchost[Caution: Executable File] C:\WINDOWS\system32\Ati2evxx[Caution: Executable File] C:\Program Files\Lavasoft\Ad-Aware\aawservice[Caution: Executable File] C:\WINDOWS\system32\spoolsv[Caution: Executable File] C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService[Caution: Executable File] C:\PROGRA~1\AVG\AVG8\avgwdsvc[Caution: Executable File] C:\Program Files\Intel\IDU\awServ[Caution: Executable File] C:\WINDOWS\Explorer[Caution: Executable File] C:\PROGRA~1\AVG\AVG8\avgrsx[Caution: Executable File] C:\Program Files\Bonjour\mDNSResponder[Caution: Executable File] C:\Program Files\COMODO\Firewall\cmdagent[Caution: Executable File] C:\WINDOWS\eHome\ehRecvr[Caution: Executable File] C:\WINDOWS\eHome\ehSched[Caution: Executable File] C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm[Caution: Executable File] C:\WINDOWS\system32\HPZipm12[Caution: Executable File] C:\WINDOWS\system32\slserv[Caution: Executable File] C:\WINDOWS\system32\svchost[Caution: Executable File] C:\WINDOWS\ehome\ehtray[Caution: Executable File] C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtSrv[Caution: Executable File] C:\WINDOWS\SOUNDMAN[Caution: Executable File] C:\Program Files\Virtual CD v4 SDK\system\vcssecs[Caution: Executable File] C:\WINDOWS\system32\SearchIndexer[Caution: Executable File] C:\WINDOWS\ALCWZRD[Caution: Executable File] C:\WINDOWS\eHome\ehmsas[Caution: Executable File] C:\apps\ABoard\ABoard[Caution: Executable File] C:\WINDOWS\system32\rundll32[Caution: Executable File] C:\apps\ABoard\AOSD[Caution: Executable File] C:\Program Files\Intel\IDU\iptray[Caution: Executable File] C:\PROGRA~1\AVG\AVG8\avgemc[Caution: Executable File] C:\Program Files\Intel\IDU\awtray[Caution: Executable File] C:\WINDOWS\system32\rundll32[Caution: Executable File] C:\Program Files\COMODO\Firewall\cfp[Caution: Executable File] C:\PROGRA~1\AVG\AVG8\avgtray[Caution: Executable File] C:\Program Files\Java\jre1.6.0_06\bin\jusched[Caution: Executable File] C:\Program Files\iTunes\iTunesHelper[Caution: Executable File] C:\WINDOWS\system32\ctfmon[Caution: Executable File] C:\Program Files\WhatPulse\WhatPulse[Caution: Executable File] C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC[Caution: Executable File] C:\WINDOWS\system32\dllhost[Caution: Executable File] C:\Program Files\iPod\bin\iPodService[Caution: Executable File] C:\Program Files\Java\jre1.6.0_06\bin\jucheck[Caution: Executable File] C:\Program Files\Mozilla Firefox\firefox[Caution: Executable File] C:\WINDOWS\system32\SearchProtocolHost[Caution: Executable File] C:\Program Files\Trend Micro\HijackThis\HijackThis[Caution: Executable File] R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://internetsearchservice.com R1 - HKLM\Software\Microsoft\Internet Explorer,SearchURL = http://internetsearchservice.com R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.gcom.net.au/ R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://internetsearchservice.com R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://internetsearchservice.com/ie6.html R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://internetsearchservice.com R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank 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://internetsearchservice.com R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://internetsearchservice.com/ie6.html R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://internetsearchservice.com R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157 R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://internetsearchservice.com R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://internetsearchservice.com R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll (file missing) O2 - BHO: (no name) - {12FC9A49-CFE0-49AA-BE9E-8F4EEAFC9443} - (no file) O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG8\avgssie.dll O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\Program Files\Microsoft Office\Office12\GrooveShellExtensions.dll O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_06\bin\ssv.dll O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll O2 - BHO: Windows Live Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll O4 - HKLM\..\Run: [iMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG[Caution: Executable File]" /Spoil /RemAdvDef /Migration32 O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP[Caution: Executable File] /SYNC O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP[Caution: Executable File] /IMEName O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray[Caution: Executable File] O4 - HKLM\..\Run: [High Definition Audio Property Page Shortcut] HDAudPropShortcut[Caution: Executable File] O4 - HKLM\..\Run: [soundMan] SOUNDMAN[Caution: Executable File] O4 - HKLM\..\Run: [AlcWzrd] ALCWZRD[Caution: Executable File] O4 - HKLM\..\Run: [Alcmtr] ALCMTR[Caution: Executable File] O4 - HKLM\..\Run: [ACTIVBOARD] c:\apps\ABoard\ABoard[Caution: Executable File] O4 - HKLM\..\Run: [WinKey] C:\WINDOWS\system32\rundll32[Caution: Executable File] "C:\Documents and Settings\All Users\Application Data\WinKey\WinKey.dll" rdl O4 - HKLM\..\Run: [ipTray[Caution: Executable File]] "C:\Program Files\Intel\IDU\iptray[Caution: Executable File]" O4 - HKLM\..\Run: [awTray[Caution: Executable File]] "C:\Program Files\Intel\IDU\awtray[Caution: Executable File]" O4 - HKLM\..\Run: [bluetoothAuthenticationAgent] rundll32[Caution: Executable File] bthprops.cpl,,BluetoothAuthenticationAgent O4 - HKLM\..\Run: [COMODO Firewall Pro] "C:\Program Files\COMODO\Firewall\cfp[Caution: Executable File]" -h O4 - HKLM\..\Run: [startCCC] "C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart[Caution: Executable File]" O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray[Caution: Executable File] O4 - HKLM\..\Run: [sunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_06\bin\jusched[Caution: Executable File]" O4 - HKLM\..\Run: [AppleSyncNotifier] C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleSyncNotifier[Caution: Executable File] O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask[Caution: Executable File]" -atboottime O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper[Caution: Executable File]" O4 - HKCU\..\Run: [ctfmon[Caution: Executable File]] C:\WINDOWS\system32\ctfmon[Caution: Executable File] O4 - HKCU\..\Run: [WhatPulse] C:\Program Files\WhatPulse\WhatPulse[Caution: Executable File] O4 - HKUS\S-1-5-19\..\Run: [CTFMON[Caution: Executable File]] C:\WINDOWS\system32\CTFMON[Caution: Executable File] (User 'LOCAL SERVICE') O4 - HKUS\S-1-5-20\..\Run: [CTFMON[Caution: Executable File]] C:\WINDOWS\system32\CTFMON[Caution: Executable File] (User 'NETWORK SERVICE') O4 - HKUS\S-1-5-18\..\Run: [CTFMON[Caution: Executable File]] C:\WINDOWS\system32\CTFMON[Caution: Executable File] (User 'SYSTEM') O4 - HKUS\.DEFAULT\..\Run: [CTFMON[Caution: Executable File]] C:\WINDOWS\system32\CTFMON[Caution: Executable File] (User 'Default user') O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl[Caution: Executable File] O4 - Global Startup: Windows Search.lnk = C:\Program Files\Windows Desktop Search\WindowsSearch[Caution: Executable File] O8 - Extra context menu item: &Windows Live Search - res://C:\Program Files\Windows Live Toolbar\msntb.dll/search.htm O8 - Extra context menu item: Add to Windows &Live Favorites - http://favorites.live.com/quickadd.aspx O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL[Caution: Executable File]/3000 O8 - Extra context menu item: Open with &ZipScan - C:\PROGRA~1\ZIPSCA~1\zs_ie.htm O8 - Extra context menu item: Sothink SWF Catcher - C:\Program Files\Common Files\SourceTec\SWF Catcher\InternetExplorer.htm O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_06\bin\ssv.dll O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_06\bin\ssv.dll O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll O9 - Extra 'Tools' menuitem: S&end to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL O9 - Extra button: Sothink SWF Catcher - {E19ADC6E-3909-43E4-9A89-B7B676377EE3} - C:\Program Files\Common Files\SourceTec\SWF Catcher\InternetExplorer.htm O9 - Extra 'Tools' menuitem: Sothink SWF Catcher - {E19ADC6E-3909-43E4-9A89-B7B676377EE3} - C:\Program Files\Common Files\SourceTec\SWF Catcher\InternetExplorer.htm O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag[Caution: Executable File] O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag[Caution: Executable File] O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs[Caution: Executable File] O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs[Caution: Executable File] O16 - DPF: {0878F049-D33E-45E0-A157-C36A6683CF25} - http://scripts.dlv4.com/binaries/egacce ... 063_XP.cab O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204 O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/Mi ... b31267.cab O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftup ... 9923908281 O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/Me ... b31267.cab O16 - DPF: {A90A5822-F108-45AD-8482-9BC8B12DD539} (Crucial cpcScan) - http://www.crucial.com/controls/cpcScanner.cab O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\Program Files\Microsoft Office\Office12\GrooveSystemServices.dll O18 - Protocol: hiro - {50BA1131-168F-4C08-A69B-4012273F222E} - C:\Program Files\Hiro-Media\HiroClient\HiroProtocolHandler.dll O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG8\avgpp.dll O20 - AppInit_DLLs: avgrsstx.dll O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Lavasoft - C:\Program Files\Lavasoft\Ad-Aware\aawservice[Caution: Executable File] O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc[Caution: Executable File] O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService[Caution: Executable File] O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx[Caution: Executable File] O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag[Caution: Executable File] O23 - Service: AVG8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc[Caution: Executable File] O23 - Service: AVG8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc[Caution: Executable File] O23 - Service: AdminWorks Agent X6 (AWService) - OSA Technologies Inc., An Avocent Company - C:\Program Files\Intel\IDU\awServ[Caution: Executable File] O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder[Caution: Executable File] O23 - Service: COMODO Firewall Pro Helper Service (cmdAgent) - Unknown owner - C:\Program Files\COMODO\Firewall\cmdagent[Caution: Executable File] O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService[Caution: Executable File] O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT[Caution: Executable File] O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService[Caution: Executable File] O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12[Caution: Executable File] O23 - Service: LiveShare P2P Server (RoxLiveShare) - Sonic Solutions - C:\Program Files\Common Files\Roxio Shared\SharedCOM8\RoxLiveShare[Caution: Executable File] O23 - Service: RoxMediaDB - Sonic Solutions - C:\Program Files\Common Files\Roxio Shared\SharedCOM8\RoxMediaDB[Caution: Executable File] O23 - Service: SiSoftware Database Agent Service (SandraDataSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite XII.SP1\Win32\RpcDataSrv[Caution: Executable File] O23 - Service: SiSoftware Sandra Agent Service (SandraTheSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite XII.SP1\RpcSandraSrv[Caution: Executable File] O23 - Service: SmartLinkService (SLService) - - C:\WINDOWS\SYSTEM32\slserv[Caution: Executable File] O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC[Caution: Executable File] O23 - Service: TOSHIBA Bluetooth Service - TOSHIBA CORPORATION - C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtSrv[Caution: Executable File] O23 - Service: Virtual CD v4 Security service (SDK - Version) (VCSSecS) - H+H Software GmbH - C:\Program Files\Virtual CD v4 SDK\system\vcssecs[Caution: Executable File] -- End of file - 13198 bytes[/hide] I'm going to boot into safe mode and run an AVG virus scan right now just to make sure, but i cant imagine where i have picked up a virus recently (unless someone else has that uses the computer). Much thanks for all your help.