Having problems running some audio and video player in Windows 7? How about to install a codec pack that will make you able to run 99% of the existing files. This pack lets you encode to formats such as DivX XviD, x264.
Video Files: AVI, MP4, MKV, MPG, MPEG, FLV, OGM, VOB, TS, PS, NUV.
Download Windows 7 Codec Pack For Windows