If the problem does not recur, then one or more of the codecs that were installed as part of codec packs is the cause.Contact the developer of the codec pack for additional support.
If the problem recurs, then codecs installed with codec packs are not the cause.
Close the Adobe application and then reinstall the codec packs.
If your media player is unable to play certain files then installing this codec pack could be just what you need.
View full description The Media Player Codec Pack is not a media player itself but it does install into your media player and may act as a major update.
Adobe doesn't provide support for problems that arise from improperly modifying the registry.