restaurar sistema

[poltrona]

hola,
he tenido problemas con el PC donde estaba instalado el SW y he comprado uno nuevo. he instalado el SW con el ejecutable descargado de la web, y he entrado para comprobar que esta funcionando OK.
para tener la version con licencia y las plantillas de tiquets que usabamos, reemplazo toda la carpeta SYSME por la que tenia en el PC anterior, pero al ir a entrar da error CONNECTION TIMED OUT.
he probado de reinstalar en modo ACTUALIZACION, pero el resultado es el mismo...
el fichero ERR dice esto:

131211 15:04:01 InnoDB: Operating system error number 5 in a file operation.
InnoDB: The error means mysqld does not have the access rights to
InnoDB: the directory. It may also be you have created a subdirectory
InnoDB: of the same name as a data file.
InnoDB: File name .\ibdata1
InnoDB: File operation call: 'open'.
InnoDB: Cannot continue operation.
131211 15:04:02 InnoDB: Operating system error number 5 in a file operation.
InnoDB: The error means mysqld does not have the access rights to
InnoDB: the directory. It may also be you have created a subdirectory
InnoDB: of the same name as a data file.
InnoDB: File name .\ibdata1
InnoDB: File operation call: 'open'.
InnoDB: Cannot continue operation.


alguna pista?

gracias!!!