A system for verifying one or more downloaded components 54 of a gaming device 10 that includes the gaming device, which has an alterable hard drive 80 (or other persistent storage media 90), and the downloaded components that further include gaming-related content 92-96. A related method includes: enabling initiation of a game on the gaming device 10; downloading the gaming-related content 92-96 to the alterable hard drive 80 while the gaming device 10 is enabled for game play; reading an identifier associated with the gaming-related content 92-96; verifying that the identifier is valid (using verification software 70); and reconfiguring the gaming device 10 to utilize the newly-downloaded, gaming-related content 92-96 in response to an initiating event.