Technical Information
Changelog

Troubleshoot a problem with ffdshow codec

ffdshow codec has stopped working properly.

ffdshow codec is a codec. The file name of this codec is ffdshow.ax.

To try to solve this problem, follow these steps. One step might solve the problem, but if it doesn't, then go on to the next step.

  1. Tap or click to go to the ffdshow website to check for and install ffdshow.ax updatesTap or click to go to the ffdshow website to check for and install ffdshow.ax updates

  2. Use the regsvr32 command to unregister ffdshow.ax

    If you don't know which program is causing this problem, you can remove ffdshow.ax from the list of installed codecs by unregistering it.

    Warning
    Disabling ffdshow.ax will cause any programs that depend on the codec to stop working or lose functionality.

    1. Click Start, point to All Programs, point to Accessories, and then click Command Prompt.
    2. At the command prompt, type regsvr32 /u ffdshow.ax, and then press ENTER. ffdshow.ax is now unregistered.

    What should I do if the regsvr32 command fails or returns an error?

    If the steps to disable the ffdshow.ax did not work, you can try renaming the file to disable it.

    1. Click Start, and then click Search.

    2. Choose All files and folders, and then, in the All or part of the file name field, type ffdshow.ax.

    3. Click Search.

    4. When ffdshow.ax appears in the results, right-click the file, and then click Rename.

    5. Rename the file (for example, change the name to ffdshow.ax.old). Remember the file name so you can re-enable it later if you need to.

You can also try an automatic troubleshooter that can detect problems with some codecs and remove the codecs from your computer.

Download and run the Fix it troubleshooter

  1. Tap or click to download the troubleshooter from the Microsoft websiteTap or click to download the troubleshooter from the Microsoft website
  2. Tap or click Run or Open, and follow the steps in the troubleshooter.

If these steps don't solve the problem and you continue to receive problem reports, please consider filling out the survey at the bottom of this page. To help us continue to investigate this error, include the names of the add-ons that are currently enabled in Internet Explorer in the comments area of the survey.

What is a codec?

A codec is software that is used to compress or decompress a digital media file, such as a song or video. Media players and other programs use codecs to play and create digital media files.