i can't launch my game from steam

hi every one, i can't my game4 from steam before one week I'm purchased from steam battlefield v definitive edition but the game can't launching when i am click to open the game the steam opening an launching the game and the the ea app opening just few second with preparing the game   and hidden from screen with this process suddenly steam make game validating and looping this process again and again . i am trying every think such as . uninstall ea app and install again or clear cache or delete the game and install again with no solution the problem it's same help me