i get sick of Roblox studios when i spawn a small ...

i get sick of Roblox studios when i spawn a small item it crash my computer and i almost got a virus on my computer because of Roblox studios. Roblox you need to fix the problem. and my account was Hacked 5 Times and the one time i had 1000 Robux and the hacker spend my Robux. it's very annoying >:(