I just downloaded and installed WAMP, when I open it I get a warning box that
Aestan Tray Menu has stopped working -\"A problem has caused program
Mathieu has indeed provided the correct answer.
At least under Windows XP you need to intall:
Microsoft Visual C++ 2008 Redistributable Package
in order to make it work. You can download it here:
http://www.microsoft.com/en-us/download/confirmation.aspx?id=29