Game crash when loading finished (unmodded)

[Zoiid]

Hello there, I have an issue with KSP which is unmodded, when I launch KSP the game load the file like he always did, but now when he finished the loading the game crash or the window of the game closed himself. I come here to find some answers and help, and hope that someone or something come to me.

[soulsource]

Does the logfile say anything? See this post to find out where it is: