Download the latest version of the Realplayer mp43 Decompressor driver for your computer's operating system. This driver - "Mpg4c32.dll" - has been downloaded 1,130 times and is rated 3 out of 5 stars based on 8 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 416.3 KB.
Realplayer mp43 Decompressor
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1
I had an avi that wouldn't play without an "mp43 decompressor". This file (when saved under the Realplayer directory) will solve the problem.
Scott (DG Member) on 11-Feb-2000
To get the Realplayer mp43 Decompressor driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Realplayer mp43 Decompressor into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for Realplayer mp43 Decompressor. It is a software utility which automatically finds and downloads the right driver.
After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.