K-Lite Codec Pack is a collection of codecs and related tools. Codecs are required to encode and/or decode (play) audio and video. The K-Lite Codec Pack is designed as a user-friendly solution for playing all your movie files. With the K-Lite Codec Pack you should be able to play 99% of all the movies that you download from the internet.

The Standard Codec Pack is mainly for general use, it features a large number of playback codec’s/filters and a small number of encoding codec’s should you wish to encode files.
The package will enable you to playback most major formats currently available.

Cole2k media codec pack: http://rapidshare.com/files/4959392/_download_CP-A
K-lite codec pack: http://rapidshare.com/files/4959362/klcodec280f.exe