hi there, not sure if this is in the right section! if not then my apologies.

i seem to have lost audio on my acer aspire 1640 laptop, if i go into the sounds and devices manager it doesnt see any audio device, yet it was working fine during the week.

can you help?

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 0249, on 24/08/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16705)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.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:\Program Files\Intel\Wireless\Bin\EvtEng.exe
C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Acer\eManager\anbmServ.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
C:\WINDOWS\system32\svchost.exe
C:\PROGRA~1\AVG\AVG8\avgrsx.exe
C:\WINDOWS\RTHDCPL.EXE
C:\acer\epm\epm-dm.exe
C:\Program Files\Acer\eRecovery\Monitor.exe
C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Program Files\QuickTime\QTTask.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Common Files\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\Program Files\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = Tiscali UK. Information, entertainment, broadband, email and internet access.
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = Tiscali Search
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = Google
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = Tiscali UK. Information, entertainment, broadband, email and internet access.
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = Live Search
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = Live Search
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = MSN.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,SearchURL = about:blank
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page_bak = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by Tiscali
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyOverride = 127.0.0.1;*.local
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll (file missing)
O2 - BHO: (no name) - {22D8E815-4A5E-4DFB-845E-AAB64207F5BD} - (no file)
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG8\avgssie.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O3 - Toolbar: (no name) - {92085AD4-F48A-450D-BD93-B28CC7DF67CE} - (no file)
O4 - HKLM\..\Run: [LaunchApp] Alaunch
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [EPM-DM] c:\acer\epm\epm-dm.exe
O4 - HKLM\..\Run: [ePowerManagement] C:\Acer\ePM\ePM.exe boot
O4 - HKLM\..\Run: [eRecoveryService] C:\Program Files\Acer\eRecovery\Monitor.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe"
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM\..\Run: [AppleSyncNotifier] C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleSyncNotifier.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [High Definition Audio Property Page Shortcut] HDAShCut.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [POSTRBT] C:\Program Files\Norton Internet Security\Norton AntiVirus\Navw32.exe /REMEDIATE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [POSTRBT] C:\Program Files\Norton Internet Security\Norton AntiVirus\Navw32.exe /REMEDIATE (User 'Default user')
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: eBay Search - res://C:\Program Files\eBay\eBay Toolbar2\eBayTb.dll/RCSearch.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O16 - DPF: {05D96F71-87C6-11D3-9BE4-00902742D6E0} (QuickPlace Class) - http://extranet.carnegiecollege.ac.uk/qp2.cab
O16 - DPF: {4788DE0A-3552-49EA-AC8C-233DA52523B9} (AxLoaderPassword Class) - http://www.blackberry.com/devicesoftware/AxLoader.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://www.update.microsoft.com/micr...?1198904026828
O16 - DPF: {814EA0DA-E0D9-4AA4-833C-A1A6D38E79E9} (DASWebDownload Class) - http://das.microsoft.com/activate/ca...ail/DASAct.cab
O16 - DPF: {96816368-C1E3-414D-A193-63C3CC921990} (MJPEGRender Control) - http://eilandonan.remotemanager.co.u...JPEGRender.ocx
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/Ms...Downloader.cab
O16 - DPF: {CF40ACC5-E1BB-4AFF-AC72-04C2F616BCA7} (get_atlcom Class) - http://www.adobe.com/products/acrobat/nos/gp.cab
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG8\avgpp.dll
O20 - AppInit_DLLs: avgrsstx.dll
O20 - Winlogon Notify: wineil32 - C:\WINDOWS\
O23 - Service: Notebook Manager Service (anbmService) - OSA Technologies Inc. - C:\Acer\eManager\anbmServ.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: AVG8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: EvtEng - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Unknown owner - C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe (file missing)
O23 - Service: Npfittice - Politecnico di Torino - (no file)
O23 - Service: RegSrvc - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Program Files\CyberLink\Shared Files\RichVideo.exe (file missing)
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - Unknown owner - C:\Program Files\WinPcap\rpcapd.exe
O23 - Service: Spectrum24 Event Monitor (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe

--
End of file - 9994 bytes

Abacast Client
AC3Filter (remove only)
Acer eManager for Notebook
Acer eNetManagement
Acer ePowerManagement
Acer GridVista
Adobe Acrobat and Reader 8.1.2 Security Update 1 (KB403742)
Adobe Flash Player ActiveX
Adobe Reader 8.1.2
Adobe Shockwave Player
Apple Mobile Device Support
Apple Software Update
AVG Free 8.0
AviSynth 2.5
BlackBerry Desktop Software 4.3
BlackBerry Desktop Software 4.3
Bonjour
CCleaner (remove only)
Curse Client
DivX Codec
getPlus(R)_ocx
GPL MPEG-1/2 DirectShow Decoder Filter
HDAUDIO Soft Voice Modem with SmartCP
High Definition Audio Driver Package - KB888111
HijackThis 2.0.2
Hotfix for Windows Internet Explorer 7 (KB947864)
Hotfix for Windows Media Format 11 SDK (KB929399)
Hotfix for Windows Media Player 11 (KB939683)
Hotfix for Windows XP (KB914440)
Hotfix for Windows XP (KB915865)
Hotfix for Windows XP (KB926239)
Hotfix for Windows XP (KB935448)
Hotfix for Windows XP (KB952287)
hp deskjet 5600
Intel(R) Graphics Media Accelerator Driver for Mobile
Intel(R) PROSet/Wireless Software
iPod for Windows 2005-02-07
iPod for Windows 2006-03-23
iTunes
J2SE Runtime Environment 5.0 Update 3
J2SE Runtime Environment 5.0 Update 6
Jasc Paint Shop Pro 9
Java 2 Runtime Environment, SE v1.4.2_05
Java(TM) 6 Update 2
Java(TM) 6 Update 3
Java(TM) 6 Update 5
Java(TM) SE Runtime Environment 6 Update 1
Launch Manager
LSX-MPEG Suite
Macromedia Flash 8 Video Encoder
Macromedia Flash Player 8 Plugin
Malwarebytes' Anti-Malware
mCore
Messenger Plus! Live
Microsoft .NET Framework 2.0 Service Pack 1
Microsoft Compression Client Pack 1.0 for Windows XP
Microsoft Internationalized Domain Names Mitigation APIs
Microsoft National Language Support Downlevel APIs
Microsoft Office Professional Edition 2003
Microsoft Reader
Microsoft User-Mode Driver Framework Feature Pack 1.0
Microsoft Visual C++ 2005 Redistributable
MixMeister BPM Analyzer 1.0
mMHouse
mPfMgr
mProSafe
MSN Messenger 7.5
MSXML 4.0 SP2 (KB927978)
MSXML 4.0 SP2 (KB936181)
MSXML 6.0 Parser (KB933579)
mWlsSafe
Nero 6 Ultra Edition
Nero Digital
Photo Viewer 2.0.2.5
QuickTime
RealPlayer
REALTEK Gigabit and Fast Ethernet NIC Driver
Realtek High Definition Audio Driver
Security Update for CAPICOM (KB931906)
Security Update for CAPICOM (KB931906)
Security Update for Windows Internet Explorer 7 (KB928090)
Security Update for Windows Internet Explorer 7 (KB929969)
Security Update for Windows Internet Explorer 7 (KB931768)
Security Update for Windows Internet Explorer 7 (KB933566)
Security Update for Windows Internet Explorer 7 (KB937143)
Security Update for Windows Internet Explorer 7 (KB938127)
Security Update for Windows Internet Explorer 7 (KB939653)
Security Update for Windows Internet Explorer 7 (KB942615)
Security Update for Windows Internet Explorer 7 (KB944533)
Security Update for Windows Internet Explorer 7 (KB950759)
Security Update for Windows Internet Explorer 7 (KB953838)
Security Update for Windows Media Player (KB911564)
Security Update for Windows Media Player 10 (KB911565)
Security Update for Windows Media Player 11 (KB936782)
Security Update for Windows Media Player 6.4 (KB925398)
Security Update for Windows XP (KB890046)
Security Update for Windows XP (KB893066)
Security Update for Windows XP (KB893756)
Security Update for Windows XP (KB896358)
Security Update for Windows XP (KB896422)
Security Update for Windows XP (KB896423)
Security Update for Windows XP (KB896424)
Security Update for Windows XP (KB896428)
Security Update for Windows XP (KB899587)
Security Update for Windows XP (KB899591)
Security Update for Windows XP (KB900725)
Security Update for Windows XP (KB901017)
Security Update for Windows XP (KB901190)
Security Update for Windows XP (KB901214)
Security Update for Windows XP (KB902400)
Security Update for Windows XP (KB904706)
Security Update for Windows XP (KB905414)
Security Update for Windows XP (KB905749)
Security Update for Windows XP (KB905915)
Security Update for Windows XP (KB908519)
Security Update for Windows XP (KB911280)
Security Update for Windows XP (KB911562)
Security Update for Windows XP (KB911567)
Security Update for Windows XP (KB911927)
Security Update for Windows XP (KB912812)
Security Update for Windows XP (KB912919)
Security Update for Windows XP (KB913446)
Security Update for Windows XP (KB913580)
Security Update for Windows XP (KB914388)
Security Update for Windows XP (KB914389)
Security Update for Windows XP (KB917159)
Security Update for Windows XP (KB917422)
Security Update for Windows XP (KB917953)
Security Update for Windows XP (KB918118)
Security Update for Windows XP (KB918439)
Security Update for Windows XP (KB919007)
Security Update for Windows XP (KB920213)
Security Update for Windows XP (KB920214)
Security Update for Windows XP (KB920670)
Security Update for Windows XP (KB920683)
Security Update for Windows XP (KB920685)
Security Update for Windows XP (KB921398)
Security Update for Windows XP (KB921503)
Security Update for Windows XP (KB921883)
Security Update for Windows XP (KB922616)
Security Update for Windows XP (KB922819)
Security Update for Windows XP (KB923191)
Security Update for Windows XP (KB923414)
Security Update for Windows XP (KB923694)
Security Update for Windows XP (KB923980)
Security Update for Windows XP (KB924191)
Security Update for Windows XP (KB924270)
Security Update for Windows XP (KB924496)
Security Update for Windows XP (KB924667)
Security Update for Windows XP (KB925902)
Security Update for Windows XP (KB926255)
Security Update for Windows XP (KB926436)
Security Update for Windows XP (KB927779)
Security Update for Windows XP (KB927802)
Security Update for Windows XP (KB928255)
Security Update for Windows XP (KB928843)
Security Update for Windows XP (KB929123)
Security Update for Windows XP (KB930178)
Security Update for Windows XP (KB931261)
Security Update for Windows XP (KB931784)
Security Update for Windows XP (KB932168)
Security Update for Windows XP (KB933729)
Security Update for Windows XP (KB935839)
Security Update for Windows XP (KB935840)
Security Update for Windows XP (KB936021)
Security Update for Windows XP (KB938829)
Security Update for Windows XP (KB941202)
Security Update for Windows XP (KB941568)
Security Update for Windows XP (KB941569)
Security Update for Windows XP (KB941644)
Security Update for Windows XP (KB941693)
Security Update for Windows XP (KB943055)
Security Update for Windows XP (KB943460)
Security Update for Windows XP (KB943485)
Security Update for Windows XP (KB944653)
Security Update for Windows XP (KB945553)
Security Update for Windows XP (KB946026)
Security Update for Windows XP (KB946648)
Security Update for Windows XP (KB948590)
Security Update for Windows XP (KB948881)
Security Update for Windows XP (KB950749)
Security Update for Windows XP (KB950760)
Security Update for Windows XP (KB950762)
Security Update for Windows XP (KB950974)
Security Update for Windows XP (KB951066)
Security Update for Windows XP (KB951376)
Security Update for Windows XP (KB951376-v2)
Security Update for Windows XP (KB951698)
Security Update for Windows XP (KB951748)
Security Update for Windows XP (KB952954)
Security Update for Windows XP (KB953839)
Spybot - Search & Destroy
Spybot - Search & Destroy 1.5.2.20
Super TextTwist
Synaptics Pointing Device Driver
Update for Windows XP (KB894391)
Update for Windows XP (KB898461)
Update for Windows XP (KB900485)
Update for Windows XP (KB904942)
Update for Windows XP (KB908531)
Update for Windows XP (KB910437)
Update for Windows XP (KB916595)
Update for Windows XP (KB920872)
Update for Windows XP (KB922582)
Update for Windows XP (KB927891)
Update for Windows XP (KB929338)
Update for Windows XP (KB930916)
Update for Windows XP (KB931836)
Update for Windows XP (KB932823-v3)
Update for Windows XP (KB933360)
Update for Windows XP (KB936357)
Update for Windows XP (KB938828)
Update for Windows XP (KB942763)
Update for Windows XP (KB951072-v2)
Update Service
Videora iPod Converter 3.08
Windows Installer 3.1 (KB893803)
Windows Internet Explorer 7
Windows Live installer
Windows Live Messenger
Windows Live Sign-in Assistant
Windows Media Format 11 runtime
Windows Media Format 11 runtime
Windows Media Player 11
Windows Media Player 11
Windows XP Hotfix - KB873339
Windows XP Hotfix - KB885250
Windows XP Hotfix - KB885835
Windows XP Hotfix - KB885836
Windows XP Hotfix - KB886185
Windows XP Hotfix - KB887472
Windows XP Hotfix - KB887742
Windows XP Hotfix - KB888113
Windows XP Hotfix - KB888302
Windows XP Hotfix - KB890859
Windows XP Hotfix - KB891781
WinRAR archiver
World of Warcraft
XviD Video Codec 04102002-1 (Koepi's build with EPSZ ME)


many thanks in advance!

Mari-claire