In order to solve client connection breaking issues caused by Firebird database breaks, you can install the versions of Firebird that are mentioned below. (You must install the Firebird version that you have been using and remove your old database.)
Link-1: http://www.firebirdsql.org/en/firebird-2-1-7 (win32)
Link-2: http://www.firebirdsql.org/en/firebird-2-5-4 (win32)
Note: *User information will be reset because you will reinstall the Firebird database.
*It is recommended to backup your database before proceeding.
*You can also use these versions of Firebird in other AKINSOFT programs.
*You need to install the Firebird 32-bit version.