Ensure you have the latest versions of DirectX and Visual C++ Redistributable:
This error is almost always a . Here’s how to find the exact mod causing it: arma 3 shaders not valid patched
Below them, Altis was dissolving. Trees were morphing into flat, purple squares. The ocean was draining away, revealing the jagged edges of the map’s geometry. The enemy soldiers they had been fighting were now just floating heads and guns, T-posing in unison. Ensure you have the latest versions of DirectX