AC3Filter Spdifer AC3Filter Haali MatroskaSplitter Real Alternative K-Lite Codec Pack - all versions Combined Community Codec Pack ffdshow standalone installer XviD standalone installer Storm Codec Pack XP Codec Pack Satsuki Decoder Pack Theorica Divx ;-) Codecs LD-Anim ACE Mega CoDecS Pack MUSK Codec Pack v5 TTPack Recode Media CodecPack Essentials Codec Pack Xiph.Org Ogg Codecs If you DO NOT want something on this list uninstalled, choose a CUSTOM installation and de-select Conflict detection.