Recently a few cases have been reported that trying to save LPR conversion table on Reader Configuration window not being saved in AxTraxNG DB.
Replace AxTraxNG client.exe file with a new file
How to Apply the Patch
Extract the patch file on your PC to a known location (Desktop for example).
Locate the Client installation path of AxTraxNG Client, usually under C:\Program Files (x86)\Rosslare\AxTraxNG Client for Windows 64-Bit version and. For 32-Bit Windows version, the default path is C:\Program Files\Rosslare\AxTraxNG Client
Preserve the file: 'Client.exe’ by renaming it to ‘Client.OLD’.
Copy the new 'Client.exe’ file to the same path.
Now AxTraxNG Client should save the LPR conversion table data.
Repeat steps 1-6 on any AxTraxNG Client PC.