[SOLVED] USYS:USYSPRT.FRM Printing error on Runtime 9.4.01

Author: mail@gandg.it (TheAleph)

Hi everyone, we are using  Uniface 9.4.01 (r135)  on Windows 7 Pro 64 bits , usually the installation works good, but yesterday on 2 new pc and on both trying to print on printer or file there returns     ERROR : USYS:USYSPRT.FRM     and no print is provided; never happeded  !!  Thanks in advance to all for suggestions. Bye Roberto