Install the mod into a new, separate folder rather than directly overwriting your existing Yuri's Revenge directory.
from your original game directory into the new Reborn folder Configure Settings Red Alert 2- Reborn Mod 2.1 -MOD- -INSTALL-
Red Alert 2: Reborn Mod 2.1 is a massive expansion for Command & Conquer: Yuri’s Revenge Install the mod into a new, separate folder