Re: C&C 3 and Red Alert 3 won't launch.

I've had problems with launching the game as well. What worked for me is:

1. Lower your monitor or laptop resolution to 800x600 and start the game

2. Create a profile then exit the game

3. Go to

%appdata%/Red Alert 3\Profiles\ 

and enter the folder having the profile name you've just created

4. Edit Options.ini with any text editor

5. Change:

Resolution = 800 600

to

Resolution = [your_resolution]

e.g. Resolution = 2560 1440

6. Save the file and start the game again

I hope it helps.