Tron was presumably derezzed and Flynn was pressured to flee into the Outlands whilst the ISO's had been destroyed, an event known as the Purge. The portal - the only real way out on the Grid - saw the tip of its millicycle window (8 hrs within the Grid; just https://tronaddressgenerator65420.ziblogs.com/27035206/manual-article-review-is-required-for-this-article