error de RPC - Help - aid is necessary

Hi, a RPC error appears and forces to install update and to reinitiate the computer. I need help me as I can solve this Thank you very much :-*

Postdata: System Microsoft Windows XP Profesional Service Pack 2 and PC HP dx2000

Can this be helpful?

http://www.avast.com/eng/faq-other-questions.html#idt_1539

ok, we initiated update of the WinXP and this updating, thak you por100pre1 by your collaboration

And so… are you ok now or the RPC error continues?