CorelDRAW X4 :: Color Settings

I am a Graphic Designer, my clients ask me to provide them all source files as vector format. i work in illustrator but one of my friend teach me about coral draw so now i work on corel draw x4. i use RGB colors mostly and before after completing the design. i export files as jpg, psd or ai. but always the colors got change.  i mean i have design a logo in rgb, i have exported file as psd and when i open psd all colors are change. and  in coral draw the Rgb colors shows dull like it is CMYK color. last night my coral draw was corrupted i reinstall it and the problem start. but before it was working fine for me. i dnt know one of my friend have installed corel draw x4 in my computer before and it was working fine. when i export as psd and open it photoshop same colors but this problems start from last night when i re install coral draw.