Get same problem: the game crashes on «Pumping Sim Once» loading stage. Logs saying:
C:\Program Files (x86)\Kerbal Space Program 2\Ksp2.log:
LocalLow\Intercept Games\KSP2\backtrace\bt-breadcrumbs-1:
LocalLow\Intercept Games\KSP2\Player.log:
But I have 16GB RAM! How cute. So… Looks like there is no playing KSP2 tonight.