A new version of K-Lite Codec Pack is available here.
About K-Lite Codec Pack:
The K-Lite Codec Pack is a collection of DirectShow filters, VFW/ACM codecs, and tools. Codecs and DirectShow filters are needed for encoding and decoding audio and video formats. The K-Lite Codec Pack is designed as a user-friendly solution for playing all your audio and movie files. With the K-Lite Codec Pack you should be able to play all the popular audio and video formats and even several less common formats.
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BugFix:
New updates for ffdshow, LAV Filters, Media Info, and the Codec Tweak Tool
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