When the mysql-5.6.13-winx64 is installed, an error is reported when net start MySQL is started.
View error information:
09:52:28 2520 [note] plugin 'federated 'is disabled.
09:52:28 2520 [note] InnoDB: the InnoDB memory heap is disabled
09:52:28 2520 [note] InnoDB: mutexes and rw_locks use Windows interlocked Functions
09:52:28 2520 [note] InnoDB: Compressed tables use zlib 1.2.3
09:52:28 2520 [note] InnoDB: Not using CPU CRC32 instructions
09:52:28 2520 [note] InnoDB: initializing buffer pool, size = 128.0 m
09:52:28 2520 [note] InnoDB: Completed initialization of Buffer Pool
09:52:28 2520 [Error] InnoDB:. \ ibdata1 can't be opened in read-write mode
09:52:28 2520 [Error] InnoDB: The system tablespace must be writable!
09:52:28 2520 [Error] plugin 'innodb' init function returned error.
09:52:28 2520 [Error] plugin 'innodb' registry as a storage engine failed.
09:52:28 2520 [Warning] MYSQL: Unknown variable 'loose-default-character-set = utf8'
09:52:28 2520 [Error] Unknown/unsupported storage engine: InnoDB
09:52:28 2520 [Error] aborting
Find various solutions on the Internet, which cannot be solved
Correct Solution: Delete the ib_logfile0 and ib_logfile1 files under the Data Directory.
Restart, normal