Hi I just made a multimedia pack with this components: Codecs (based on K-Lite Codec Pack 2.50 Standard) ----------------------------------------------------------------------- DivX Pro [version 5.2.1] [Decoding] XviD [version 1.0.3 build 2004-12-20] [Decoding] 3ivX Pro [version D4 4.5.1] [Decoding] Windows Media 9 VCM [version 9.0.1.369] Fraunhofer MP3 DirectShow decoder [version 1.9.0.311] AC3 DirectShow decoder [version 0.70b mod] Vorbis DirectShow decoder (CoreVorbis) [version 1.0] AAC DirectShow decoder (3ivX Pro) [version D4 4.5.1] DirectVobSub (vsfilter) [version 2.33] ----------------------------------------------------------------------- Media Player Classic 6.4.8.4 (support avi, asf, wmv,...) Winamp Lite 5.094 (suport mp3, wma, ogg, midi,...) FreeRip 2.92 GSpot 2.52 beta MP3 Tag Tools 1.2 Subtitle Creator 1.8.7 its only 5.66 Mb cab file with inf (7.25 Mb when extract) I need help to finish this!!! If you know how to create association to file extension from inf please help. I was try with this: HKCR, "AVIFile\Shell","",,"Open" HKCR, "AVIFile\Shell\Open","",,"&Open" HKCR, "AVIFile\Shell\Open\Command","",,"C:\Program Files\Multimedia\MPC\mplayerc.exe %1" I need to associate all audio files to Winamp and all video files to MPC (icons too). No files for now untile I finish. Changes possible with other codecs or tools. Sorry for my english (I'm from Croatia).