This is a cumulative update for the latest version of the K-Lite (Mega)
Codec Pack. K-Lite Codec Pack is a collection of codecs and related
tools. Codec is short for Compressor-Decompressor. Codecs are needed
for encoding and decoding (playing) audio and video. This Codec Pack is
designed as a user-friendly solution for playing all your movie files.
You should be able to play all the popular movie formats and even some
rare formats.
* Changes in 2007-02-12:Updated ffdshow to revision 918
* Updated Codec tweak Tool
* For K-Lite Codec Pack v2.84 and Mega v1.65 only!
http://codecguide.com/