Please check the minimu system requirement of Dreamweaver and Flash I think you computer is not meeting up with the minimum system requirement.
Dreamweaver CS6 : http://www.adobe.com/in/products/dreamweaver/tech-specs.html
Flash CS6: http://www.adobe.com/in/products/flash/tech-specs.html
Firework CS6: http://www.adobe.com/in/products/fireworks/tech-specs.html