上午 10:23:42 [mysql] This may be due to a blocked port, missing dependencies,
上午 10:23:42 [mysql] improper privileges, a crash, or a shutdown by another method.
上午 10:23:42 [mysql] Press the Logs button to view error logs and check
上午 10:23:42 [mysql] the Windows Event Viewer for more clues
上午 10:23:42 [mysql] If you need more help, copy and post this
上午 10:23:42 [mysql] entire log window on the forums
删除ib_logfile0,ib_logfile1,ibdata1几个日志文件，重启即可。
原文：http://www.cnblogs.com/shher/p/4987628.html