Lo que pasa es que no tienes instalado el Microsoft .NET Framework 1.1

http://www2.ati.com/drivers/Catalyst...ase_notes.html

The CATALYST™ CONTROL CENTER requires that Microsoft's .NET Framework Version 1.1 be installed. Without .NET Version 1.1 installed the CATALYST™ CONTROL CENTER will not launch properly, and the user will see an error message as a result
Has probado eso?, lo puedes bajar de aca