1. A method for restoring an operating computing system to a first operating state associated with a first system software code installed on the operating computing system, the method comprising: installing a second system software code on the computing system while the computing system continues to operate in the first operating state; activating the second system software code and deactivating the first system software code to cause the computing system to operate in a second operating state; and if activation of the second system software code causes the computing system to operate in an undesirable manner, then activating the first system software code to cause the computing system to return to the first operating state while the computing system continuously operates.