[R] Problems with help.start()

[Henrique Patrício Sant'Anna Branco]

Hello there,
I've just installed R for Windows 1.8.0 and I'm experiencing problems with
help.start().
It opens the help page as it supposed to do, then I go to "Search Engine &
Keywords", but when I click anything there, it returns me a (aparently)
JavaScript error, something like "The object does not support this method or
property".
The Search Engine doesn't work as well.
I tried to open with Internet Explorer 6 and Mozilla (the last one).
Have anybody already seen this problem?
Thanks,
Henrique.