Character set ‘uft8’ is not a compiled character set and is not specifie

Windwos主机下mysql出现如下错误：

C:\Mysql\bin>mysqld
mysqld: Character set 'uft8' is not a compiled character set and is not specifie
d in the 'C:\Mysql\share\charsets\Index.xml' file
100629 13:47:03 [ERROR] Aborting

100629 13:47:03 [Note] mysqld: Shutdown complete

请知道的回复下。请教！