Media Player Classic - Home Cinema is a lightweight Open Source audio and video player licensed under the GNU General Public License 2. It is bundled with a codec pack that can play most of multimedia files like DivX, Xvid, MPEG family, QuickTime video, Flash video and more. MPC-HC also has a built-in support for video disks like DVD's, VCD and SVCD. Very light (a 2.88MB installer), stable, translated in many languages, supported on all recent Windows versions, MPC-HC is really a must have.
supported files
WAV, WMA, MP3, OGG, SND, AU, AIF, AIFC, AIFF, MIDI, MPEG, MPG, MP2, VOB, AC3, DTS, ASX, M3U, PLS, WAX, ASF, WM, WMA, WMV, AVI, CDA, JPEG, JPG, GIF, PNG, BMP, D2V, MP4, SWF, MOV, QT, FLV

Windows