Why do I keep crashing so much?

So I am currently a noob to unreal engine, I just purchased a foliage pack, etc. And when I want to add it into the game it crashes. So I basically no nothing about the engine, so much help appreciated :smiley:

:Log file: Unreal Log - Pastebin.com

Hello, can you please check you have enough space on the hard disk (C:/) and also admin rights on writing file?
Seem’s the shader compiler can’t complete the task because there is no space on the hard disk, so it crash.