red alert3 d3dx9_35.dll missing

Try to (re)install DirectX9 update package. This should install any missing DX9 files:

1. Most likely you can find Dx9 installation under your Red Alert 3 game's installation folder...
2. ...or (if you can't find it) you can download it from here  https://www.microsoft.com/en-us/download/details.aspx?id=8109
3. then find "DXSETUP.exe", and run that to install the missing components.

Similar topics:

• https://answers.ea.com/t5/C-C-The-Ultimate-Collection/Red-Alert-3-DirectX/m-p/6136943/highlight/true#M15092
• https://answers.ea.com/t5/C-C-The-Ultimate-Collection/win10-cant-install-CnC-series-because-of-the-directx-error/m-p/6046058/highlight/true#M14897