[R] Reference manual is not available in the help menu of the rgui

[Alvarez Pedro]

Dear R list,

I have installed R 2.1.1 for Windows. In the help menu
of the Rgui I can load all manuals except the
reference manual. I downloaded the reference manual
from the cran-site separately and saved it into the
same folder as the other manuals but still it is not
available in the menu. How can I solve this problem?

Thank your for the help