@Intuition

wipeout dont works = i dont know why as it works with wazp3d/os4

wazp3d-prefs change the parameters INSIDE the wazp3d library
then when the prog end (ie w3d_destroycontext) then a wazp3d.cfg file is saved
that will be used next run

this way of working ensure to never save a crashing config

Alain