The errors are as follow:
051215 5:02:30 InnoDB: Started; log sequence number 0 7771220
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060102 8:53:11 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060102 8:53:13 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 18 user: 'admin'
060102 8:53:13 InnoDB: Starting shutdown...
060102 8:53:15 InnoDB: Shutdown completed; log sequence number 0 8700797
060102 8:53:15 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060102 8:54:40 InnoDB: Started; log sequence number 0 8700797
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060102 10:45:19 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060102 10:45:20 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 2 user: 'admin'
060102 10:45:20 InnoDB: Starting shutdown...
060102 10:45:23 InnoDB: Shutdown completed; log sequence number 0 8700846
060102 10:45:23 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060102 10:46:56 InnoDB: Started; log sequence number 0 8700846
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060102 11:08:53 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060102 11:08:54 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 2 user: 'admin'
060102 11:08:54 InnoDB: Starting shutdown...
060102 11:08:56 InnoDB: Shutdown completed; log sequence number 0 8700856
060102 11:08:56 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060102 11:10:29 InnoDB: Started; log sequence number 0 8700856
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060102 11:39:22 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060102 11:39:24 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 2 user: 'admin'
060102 11:39:24 InnoDB: Starting shutdown...
060102 11:39:25 InnoDB: Shutdown completed; log sequence number 0 8700866
060102 11:39:25 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060102 11:40:59 InnoDB: Started; log sequence number 0 8700866
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060102 16:54:03 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060102 16:54:05 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 33 user: 'admin'
060102 16:54:05 InnoDB: Starting shutdown...
060102 16:54:08 InnoDB: Shutdown completed; log sequence number 0 8710927
060102 16:54:08 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060102 16:55:42 InnoDB: Started; log sequence number 0 8710927
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060108 5:00:26 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060108 5:00:28 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 2 user: 'admin'
060108 5:00:28 InnoDB: Starting shutdown...
060108 5:00:30 InnoDB: Shutdown completed; log sequence number 0 9625065
060108 5:00:30 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060108 5:02:20 InnoDB: Started; log sequence number 0 9625065
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060117 13:40:12 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060117 13:40:13 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 2 user: 'admin'
060117 13:40:13 InnoDB: Starting shutdown...
060117 13:40:15 InnoDB: Shutdown completed; log sequence number 0 9991725
060117 13:40:15 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060117 13:41:40 InnoDB: Started; log sequence number 0 9991725
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060117 17:10:36 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060117 17:10:38 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 2 user: 'admin'
060117 17:10:38 InnoDB: Starting shutdown...
060117 17:10:40 InnoDB: Shutdown completed; log sequence number 0 10096385
060117 17:10:40 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060117 17:12:16 InnoDB: Started; log sequence number 0 10096385
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060118 7:14:00 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060118 7:14:02 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 4 user: 'admin'
060118 7:14:02 InnoDB: Starting shutdown...
060118 7:14:03 InnoDB: Shutdown completed; log sequence number 0 10140310
060118 7:14:03 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060118 7:15:40 InnoDB: Started; log sequence number 0 10140310
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060209 9:02:22 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060209 9:02:24 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 4 user: 'admin'
060209 9:02:24 InnoDB: Starting shutdown...
060209 9:02:26 InnoDB: Shutdown completed; log sequence number 0 12105656
060209 9:02:26 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060209 9:03:15 InnoDB: Started; log sequence number 0 12105656
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060215 7:54:23 InnoDB: Operating system error number 32 in a file operation.
InnoDB: Some operating system error numbers are described at
InnoDB:
http://dev.mysql.com/doc/mysql/en/Operating_System_error_codes.html
InnoDB: File name .\ibdata1
InnoDB: File operation call: 'open'.
InnoDB: Cannot continue operation.
060215 8:31:50 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060215 8:31:51 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 2 user: 'admin'
060215 8:31:51 InnoDB: Starting shutdown...
060215 8:31:54 InnoDB: Shutdown completed; log sequence number 0 12549926
060215 8:31:54 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060215 8:33:14 InnoDB: Started; log sequence number 0 12549926
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060227 5:14:03 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060227 5:14:06 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 2 user: 'admin'
060227 5:14:06 InnoDB: Starting shutdown...
060227 5:14:07 InnoDB: Shutdown completed; log sequence number 0 13457982
060227 5:14:07 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060227 5:16:09 InnoDB: Started; log sequence number 0 13457982
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary
060301 11:24:00 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Normal shutdown
060301 11:24:01 [ERROR] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Forcing close of thread 3 user: 'admin'
060301 11:24:01 InnoDB: Starting shutdown...
060301 11:24:03 InnoDB: Shutdown completed; log sequence number 0 13541242
060301 11:24:03 [Note] C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: Shutdown complete
060301 11:25:41 InnoDB: Started; log sequence number 0 13541242
C:\Program Files\SWsoft\Plesk\MySQL\bin\mysqld-nt.exe: ready for connections.
Version: '4.1.12-nt' socket: '' port: 8306 Official MySQL binary