XP Codec Pack 2.4.6

XP Codec Pack 2.4 is one of the most completed codec packs which helps you to play all major audio and video formats.
And to enjoy your multimedia experience, instead of 3 or 4 different players you get one simple integrated player that plays almost all audio and video files, Enjoy!

Link1 (Rapidshare)
Link2 (Megaupload)