Deleted programs from start menu

Hello friends,

I have recently install Windows 7 as my operating system.everything was working till yesterday, today when i started my PC and try to open Microsoft word i was not able to see any of the programs in Start Menu.I don't know whats wrong with my PC.

Can anyone help me out with this issue.

PC Configuration
Amd 9550
Gigabyte 780 with Intel Chipset
2gb ram
300 gb HDD
GeForce 6200 LE

Sure i will help you out with this try to go to the following path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs

and paste all the program .exe which you need in your start menu.