Does this prove that God does not exist?

The omnipotence paradox. The paradox states that if a being (God) can perform any action, then he should be able to create a task he is unable to perform. Therefore, he cannot perform all actions. On the other hand, if he can't create a task he is unable to perform, then there exists something he can't do. Either way, he isn't omnipotent, which means he isn't God. Opinions on this?