Thanks for your answer and advices. It's a legal and updated version of the game, on Steam.
What i've done :
1 Clean version reinstalled
2 asiloader/openIV.asi/opencamera.asi (via Open IV)
3 scripthook/scripthookDOTnet (last versions)
The game worked properly.
After that, i think i've tried bad things. I just drag directly some of my mod files in scripts and game folders ( here : https://ibb.co/ds1uV7 )
and add my old mods folder directly in the game folder to make different tests
1 without addon cars
2 without addons at all
3 just only kept the update folder from the mods folder ( to test addons cars without the other modifications made before in the mods folder (x64, common, x64a....)
4 without scripts folder
Each time, stack overflow after 2 or 3 minutes (when driving, it seems to be ok or better on foot) . I remember that it became few time after RDE mod stopped working. Problem, it's an OIV without uninstall file.
I think i must reinstall everything step by step ( plenty of cars, textures... ). !
It's annoying not to be able to spot the bad mod by analyzing the files !