Several days ago,I received a windows update notice for SP3;as normal,I complied and thought no more about it.Since then,I am constantly recieving a warning box stating "DLL C:\WINDOWS\system32\MSACM32.dll". It makes a reference to some windows image being unable to load,and states that I need to match it up against some diskette.At the same time,I have lost all audio.I have checked and rechecked wires,plug-ins,sound card,mixer settings,etc;nothing seems amiss.The only info I found out about MSACM32 on the net was that it might be some kind of audio compression file.HELP! Is this a bug,or do I need to get in a different topic.Any reply is greatly appreciated...Thanks...CNReddMSACM32.dll - msacm32.dll is a module containing functions for audio compression for 32-bit applications.

I will move this topic to the Computer software forum. I don't think this is malware related.I appreciate that you put this in the right category...I wasn't sure.Could this have anything to do with the Windows SP3 download? I hate to think that,but thats when it started.I am also leary of removing that without some more educated opinions.Thanks in advance....CNReddNot sure whats causing it. A few things to try.

Try running sfc /scannow, Start > Run type sfc /scannow then click OK. Make sure that the Windows XP installation cd is in the computer.

Try downloading the msacm32.dll file from http://www.webzila.com/?wz=dll then register it with your system by following these instructions: http://forum.webzila.com/index.php?showtopic=543OK....XP was already installed when I purchased the PC,so all I have is the back-up that was suggested I make.I placed it in the pc and followed the "run" commands and got nothing.It verified that all windows files were intact and then did nada.As for step 2, that hasn't resolved anything either.I considered restoring to factory specs,but this issue will not allow me to burn a cd or dvd.Now what?Post a HJT log so we can do a quick check for malware. Although I don't think it is malware it won't hurt to look real fast.

Download and rename TrendMicro HijackThis.exe (HJT)

• Double-click on HJTInstall.
• Click on the Install button.
  
• It will automatically place HJT in C:\Program Files\TrendMicro\HijackThis\HijackThis.exe.
  
• Upon install, HijackThis should open for you.

• Close HijackThis and rename it.
  
• Go to C:\Program Files\TREND Micro\HijackThis.exe
  
• Right click on HijackThis.exe and select Rename.
  
• Type in sniper.exe and press Enter.
  
• Right-click on sniper.exe and select Send To > Desktop (create shortcut)

• From the desktop open HijackThis.
• If using Windows Vista, Right-click and Run As Administrator.
  
• Click on the Do a system scan and save a log file button
  
• Hijackthis will scan and then a log will open in notepad.
• Copy and then paste the entire contents of the log in your post.
  
• Do not have HijackThis fix anything yet. Most of what it finds will be harmless or even required.