HELP ME WITH PAINT TOOL SAI!!!!!!?

ok one day i was drawing on paint tool sai and then my mom makes me go and clean my room so i saved but theft the program on but when i went back on she said she minimazed it but the only thing that was showing was the drawing and nothing else no layer thingy or color wheel or the tools all it shows is the pic and then she said that she used my tablet as a mouse even though we already have one and she jaked it up i need to know how to fix it sai is my fav program and i dont want to use photoshop or manga studio if u help me i can help u im soo pissed at my mom