From opening the file ending with .err I got this log:
InnoDB: The first specified data file .\ibdata1 did not exist:
InnoDB: a new database to be created!
061208 0:35:05 InnoDB: Setting file .\ibdata1 size to 10 MB
InnoDB: Database physically writes the file full: wait...
061208 0:35:05 InnoDB: Log file .\ib_logfile0 did not exist: new to be created
InnoDB: Setting log file .\ib_logfile0 size to 5 MB
InnoDB: Database physically writes the file full: wait...
061208 0:35:06 InnoDB: Log file .\ib_logfile1 did not exist: new to be created
InnoDB: Setting log file .\ib_logfile1 size to 5 MB
InnoDB: Database physically writes the file full: wait...
InnoDB: Doublewrite buffer not found: creating new
InnoDB: Doublewrite buffer created
InnoDB: Creating foreign key constraint system tables
InnoDB: Foreign key constraint system tables created
061208 0:35:07 InnoDB: Started; log sequence number 0 0
061208 0:35:14 [Note] C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqld-nt.exe: ready for connections.
Version: '5.0.27-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL)
061208 0:35:53 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/refman/5.0/en/operating-system-error-codes.html
InnoDB: File name .\ibdata1
InnoDB: File operation call: 'open'.
InnoDB: Cannot continue operation.
InnoDB: Error: log file .\ib_logfile0 is of different size 0 5242880 bytes
InnoDB: than specified in the .cnf file 0 10485760 bytes!
070102 11:53:15 [ERROR] Default storage engine (InnoDB) is not available
070102 11:53:15 [ERROR] Aborting
070102 11:53:15 [Note] C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete
InnoDB: Error: log file .\ib_logfile0 is of different size 0 5242880 bytes
InnoDB: than specified in the .cnf file 0 10485760 bytes!
070102 11:57:45 [ERROR] Default storage engine (InnoDB) is not available
070102 11:57:45 [ERROR] Aborting
070102 11:57:45 [Note] C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete
InnoDB: Error: log file .\ib_logfile0 is of different size 0 5242880 bytes
InnoDB: than specified in the .cnf file 0 10485760 bytes!
070102 12:03:08 [ERROR] Default storage engine (InnoDB) is not available
070102 12:03:08 [ERROR] Aborting
070102 12:03:08 [Note] C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete
Thanks