删除为0字节的文件c:\Program Files\MySQL Server\bin\mysqld-nt，则可以启动该服务，或者在Windows 8.1中删除也为0字节的c:\Program Files\MySQL Server\bin\mysqld.

Delete file c:\Program Files\MySQL Server\bin\mysqld-nt which is 0 byte, then you can start the service, or, in Windows 8.1, delete c:\Program Files\MySQL Server\bin\mysqld which is also 0 byte.