Your right about the missing thing in the tech-tree. Again tell you the problem is becouse a start a game without alternative energy, and after 20 hour I install the alternative energy mod That makes my saved game tech-tree broken. I start a new game and now I see the nuclear research in the tree.

How to insert a pic here? BTW. i found out that the problem is that my nuclear research is not showing in the tech tech. And I like to unlock that but I don't know what the right name is. I try it with console command. /c game.player.force.recipes["nuclear-research"].enabled=true But it re...

I play pyanodons with alternative energy and I am stucked because all my reseach is done for py-2 and my chemical science pack research keep on red.

When I try to leave my space station in my capsule to go back to my main base the game crash as soon I hit the Launch button.
Pls help.
Thanks.

Thank you very much for your quick reply. You are right. I update the driver, opened my laptop and find out that the cooling of my graphics card was blocked with dust. This must be the reason why my graphics card crashed. Again Thank you so much to point me to the right direction to solve the problem.

I use Factorio 0.18 with space exploration and xspace mod. and half way my game it crashed every 10 min.

Pls help