The game itself is restarted (Metro Exodus)

Help, Downloaded the game metro Exodus, all the rules, but as soon as got Yes location Taiga
(Outpost (fortress on the marsh) the pirates), I kept turned off the game went on, then when started playing again (started), the game starts all only took a couple of steps, the game restarted and again I stand point which is preserved, and so restarts, arrived with the first of a head start did not help, he again and sleep it rebooted even live as they are on the trolley going to the scan won't start, just restarts HELP!!! Reluctant at first to start !