Rhino V6 (rhino_fr-fr_6.0.17283.09031) Win 7 - Unable to save file

Yes / oui

Note that there is a newer release for 6.5, which contains some fixes regarding saving

Yup - I would definitely start by getting that release.

Andy

For me,
Version 6 SR5
(6.5.18155.13161, 04/06/2018)
Commerciale
Seems to be good, thanks !