My ADE 4.5. stopped opening

Few days ago my cat lied on my lap-top and since that time I can't open my ADE 4.5. It just doesn't react to my comp tries to start it... no windows, no errors, no any reaction at all... What to do? There my books for work :((((( Please, help me. I deleted it, download again, but it didn't help, it doesn't work...