Unable to start MySQL service, error 1067 unexpected process termination problem _ MySQL

The MySQL service cannot be started. an error is reported, indicating that the 1067 process was terminated unexpectedly. bitsCN.com
Problem Description: my. ini file configuration in my mysql:

[Csharp] # Path to installation directory. all paths are usually resolved relative to this. basedir = "D:/software_builder/mysql/" # Path to the database root datadir = "C: /ProgramData/MySQL Server 5.5/Data/"I found it in the datadir path. err file, view the error cause [html] 121022 15:21:06 [Note] Plugin 'Federated 'is disabled. d:/software_builder/mysql/bin/mysqld: Table 'MySQL. plugin 'doesn' t exist 121022 15:21:06 [ERROR] Can't Open the mysql. plugin table. please run mysql_upgrade to create it. 121022 15:21:06 InnoDB: The InnoDB memory heap is disabled 121022 15:21:06 InnoDB: Mutexes and rw_locks use Windows interlocked functions 121022 15:21:06 InnoDB: Compressed tables use zlib 1.2.3 121022 15:21:06 InnoDB: Initializing buffer pool, size = 500.0 M 121022 15:21:06 InnoDB: Completed initialization of buffer pool 121022 1 5:21:06 InnoDB: Log file. /ib_logfile0 did not exist: new to be created InnoDB: Setting log file. /ib_logfile0 size to 100 MB InnoDB: Database physically writes the file full: wait... innoDB: Progress in MB: 100 121022 15:21:07 InnoDB: Log file. /ib_logfile1 did not exist: new to be created InnoDB: Setting log file. /ib_logfile1 size to 100 MB InnoDB: Database physically writes the file full: wait... InnoDB: Progress in MB: 100 121022 15:21:10 InnoDB: highest supported file format is Barracuda. innoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 121022 15:21:10 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. innoDB: Reading tablespace information from. ibd files... innoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 121022 15:21:10 InnoDB: Waiting for the background threads to start 121022 15:21:11 InnoDB: 1.1.8 started; log sequence number 3700748 121022 15:21:11 [ERROR] Fatal error: Can't open and lock privilege tables: table 'MySQL. host 'doesn' t exist has tried countless network search solutions, had the idea of re-installing mysql, and had the impulse to hit the computer, but in the end it was still a day to live, finally, the solution is found. Step 1: in the data folder basedir = "D:/software_builder/mysql/under the mysql installation directory," D: /software_builder/mysql/data "" There is also a mysql folder (),
Copy the "mysql folder" to the data folder where the database data is stored (my files are: C:/ProgramData/MySQL Server 5.5/data) start the mysql service in the service. The result is: "I get it!"
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