Digital broadcast receiver attempt to stabilize the upgrade and a method thereof

The digital broadcasting receiver and its stabilized upgrade method is disclosed. A digital broadcast receiver, and the tuner unit for receiving broadcast data of the selected channel, and a demultiplexer to separate the information data corresponding to the new middleware data and new middleware data contained in the broadcast data and the previous middleware data reservoir and a control unit on the basis of the memory, the information data to store the new middleware data and information data to determine whether or not to save the new middleware data in the memory, the control member may be arranged to execute a new middleware data checking the success of the upgrade, upgrade If it failed to execute the previously middleware data stored in the memory. Thus, the digital broadcast receiver can upgrade to a more stable middleware receiving the program. Middleware, upgrades, stabilization, digital broadcast receivers