At start up, after loading Windows, my PC now displays the message:\n"RPS. The paramter is incorrect". At the same time the PC Guard\nadvisor panel gets stuck in "loading services" mode. I can get around\nthis by restoring to a previous point, although this doesn't solve the\nproblem it just skirts around it. Today, having restored, I also got\nthis message: "An unexpected error has occurred that this application\ncannot recover from. Exception code - 3221225477; exception address -\n7C918FEA"\n\nAny insights will be appreciated.