HearSoftUDF.dll is a user-defined function library file used by the Firebird Database Server software to perform various tasks for the HearAid Version 5.0 program

If you are experiencing problems while trying to save data, or with the Firebird Database Server crashing inexplicably the problem is likely to be due to having an older version of HearSoftUDF.dll installed on your server computer. Downloading and installing the latest version of HearSoftUDF.dll is strongly recommended.

You can install the new version of HearSoftUDF.dll in two ways:

  1. Download the installation program UpdateDLL.exe and run the installation on your server computer
  2. Download HearSoftUDF.dll and manually copy it into the ..\Firebird\UDF and ..\HearSoft\LocalFB\UDF folders

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