meaning what? does it just sit there, does it laugh at you or what? Bit info on your CD.exe problem would help. Or we could be guessing till the cows come home.
I'm guess it loads up then close straight away? If so delete the crueldragon.ini file, then load up the Crueldragon.exe. A new ini file will be created. In the new ini file change the sql id and pass, then re-try.