So every time i try to enter the game, it keeps closing. Any way to fix this?

Well same

ya mine wont open ether 

i need do twice to open the game

Hey!
Could you please send over the log file when you try to open your game? Or just copy and paste its contents here. 

The log file can be found in the terracraft folder under "logs".

Other than that make sure you have the following downloaded:
Microsoft DirectX Here
And
VC++2015 Here