Vista Codec Package is a free codec pack for Windows Vista, Windows XP, Windows 2003 and Windows NT that supplies you with all the best and popular codecs in the world that allows playback of DVDs and other movie formats.
The official change log for version 4.5.8 is as follows:
- update ffdshow 1817
- update madFLAC codec 1.7
- update several splitters
You may download this updated version here