Notes about the JNL file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries
, unused processes and other unfavourable system settings to identify slowdown issues.
The JNL file type is primarily associated with 'Ingres' by Computer Associates International, Inc.. Ingres is an open source relational database solution that leverages information resources across a range of platforms, including Linux, UNIX, Windows and OpenVMS.