Windows Media Player keep asking for license to play files

Windows Media Player keep asking for license to play files downloaded from the net. Then it ask to backup from license list....then cant backup....pisses me like hell. Any better player or is there another way to get around this? Thank for the help.

Windows Media Player keep asking for license to play files downloaded from the net. Then it ask to backup from license list....then cant backup....pisses me like hell. Any better player or is there another way to get around this? Thank for the help.