Huge problems

I got a problem whit create a game when the pogram crash on "hämtar terräng" (the Swedish verison) and canot play at all. Even throug, i have do Norton on the computer two times and change grafik to low but it still not work. It has ben pretty laggy and so to and a realy want to start a new game.

What I expected to happen was...:
The World would have open?

What actually happened was...:
I came up a wrong massage from my computer and i came back to launcher again...

Steps to Reproduce:
1. Start game
2. error
3. launcher
4. start game again
5. and so on