how do i remove a program in the program list....like when u open a audio or video file u right click on it and choose "open with"..it'll show u a few programs and have "choose frum a list"..or maybe nothing on it....and when i chose a program it automatically saves the program in the open with side box thing....so its there everytime now....well ive chosen a .exe program to open up a video file and i was wondering how would i remove it frum that side box....