Every time i click on terraria it freezes

Well like it says in the title every time i click it freezes i let the game load in and when its on the main menu i click and then it freezes and its on windowed mode so when i click on the task bar or anywhere off of terraria i can see it unfreeze please help .

System specs:
Cpu intel Atom 1.83ghz
Ram 2Gb
Windows 10 32bit