The 3ivx.dll is a file used by the “3ivx” video codec – a popular choice for the QuickTime & 3ivx media players. This file is used primarily to decode the encoded video files, allowing your computerto run the video files that you want to play. Unfortunately, this file is also one of the bigget causes of problems for the respective media players it uses and is often reported as being “missing” when you try and use it. You can fix this error by using the tutorial in this article.



