Feb 4, 2010 - On installing Windows XP and 2000 on a fresh new machine, the default sound codecs are installed for each sound device that will play sound.

As you say it should be included with Media Player 11: Run the Vista System File Checker Tool: 1. Open a Command Window in Administrator mode: * click Start * click All Programs, then Accessories * right click on the Command Prompt option, * on the drop down menu which appears, click on the Run as Administratoroption. * If you haven’t disabled User Account Control (and you shouldn’t!) you will be asked for authorisation. Click the Continue button if you are the administrator or insert the administrator password.

Start the System File Checker * In the Command Prompt window, type: sfc /scannow, * press Enter. * You’ll see “the system scan will begin”.

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The scan may take some time and windows will repair/replace any corrupt or missing files. You will be asked to insert your Vista DVD if it’s needed. Close the Command Prompt Window when the job is finished. One caveat: you need a Windows DVD to enable SFC to make more than minor repairs. “How to analyze the log file entries that the Microsoft Windows Resource Checker (SFC.exe) program generates in Windows Vista” ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If SFC finds serious errors it can not fix, you may have to do a Vista Repair Upgrade Install. If you do not have a Microsoft Vista DVD, borrow one from a friend.

Read this Tutorial on how to do a Repair Install: Cheers. Mick Murphy - Microsoft Partner.

Hi, Anyone know how to reinstall Microsoft IMA ADPCM Codec and Microsoft ADPCM Codec in Windows Xp without reinstalling Windows XP? I found that the list of my installed audio codecs becomes shorter after I uninstalled some stupid codec packs. And two most important codecs (Microsoft IMA ADPCM and Microsoft ADPCM) are missing, not mention 1.

Microsoft CCITT G.711 Audio Codec 2. Microsoft GSM 6.10 Audio Codec 3. Windows Media Audio 4. I can't believe this.

So anyone know how to reinstall it in Windows XP? Have you tried installing the audio codecs option in 'Add Hardware' in the Control Panel. See screenshot for example.

Thanks BananaMan. But I've already found a way to do it in Windows XP Installing support for Microsoft IMA ADPCM Codec and Microsoft ADPCM Codec 1. Choose Start>Control Panel and double click Add hardware, then click Next. Click Yes, I have already connected the hardware and click Next. Select Audio Codecs in the list of installed hardware.

If you did not have previously any audio codecs installed in the system, you should select Audio Codecs in the list of devices and click Next. This should install support for the needed sound compression schemes. Stop following this procedure at this point. On the other hand, if you do have support for some audio codecs it is likely that you need to go on with the procedure below. Choose Add a new hardware device at the bottom of the list and click Next.

Click Install the hardware that I manually select from a list (Advanced), and click Next. Select Sound, video and game controllers and click Next. Select (Standard system devices) and click Have Disk. Click Browse in the Install From Disk dialog box and open the folder C: Windows System32. You should see here mmdriver.inf.

Select it and click Open. Click OK in the Install From Disk dialog box. If you see a warning about logo compatibility, just click Continue Anyway. Now you should finally see a list of audio codecs. Amongst the other items, you should find Microsoft ADPCM Audio Codec and IMA ADPCM Audio Codec. You need to install them one by one so select either of these and click Next.