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View Full Version : Parametre error upc_steam_required_product_id_2957 -uplay_steam_mod ?



LooneyGRIM
02-06-2017, 04:41 AM
hey guy i use to play Rainbow six seige all the time till i got sick of it jump back on re download it and i get this message pop up as if i put a "launch parametre" in when i haven't and it says "Rainbow six seige is attempting to launch with the optional parameters shown below ,upc_steam_required_product_id_2957 -uplay_steam_mode ?2