I have come here with a strange problem with my windows 7. The problem is that in my windows 7 there are several programs that require me to select the program manually whether to open in which format. Many programs open up just by double clicking. While there are some programs take the example of the notepad files whenever i want to open the notepad file instead of the showing the sign of starting up. It shows me the list of programs that i have to select in order to open. So i have to select notepad from the list of programs and when i go to select the option "Always use the selected program to open this kind of file" it is always grayed out. So i don't have any option than to select the program from the list every time manually. So do you all have any idea why is this happening. Please do let me know if you have any idea.