During this time, Tron was upgraded and copied over to Flynn's personal server in order to help protect the Grid, and had a city named in his honor. He was also present when the ISOs began emerging. When Clu gradually started to effect his rule over the Grid, Tron became suspicious of his friend's actions and - on at least one occasion - managed to save a program that had been defeated in the games from being derezzed on Clu's orders.