Doesn’t open for me anymore ? – Warhammer 40,000: Deathwatch - Tyranid Invasion Review

The game use to work perfectly for awhile and was a very fun game to pass the time but as of late the game just crashes after about 15 seconds of trying to open iv always tried closing re opening deleting re downloading doesn’t work ?
Review by 1538383! on Warhammer 40,000: Deathwatch - Tyranid Invasion.