display dialog "A virus has been detected! Ignore?" buttons {"Yes", "No"} default button 2
if the button returned of the result is "Yes" then
    display dialog "Your computer has malfunctioned. Restart?" buttons {"OK", "Cancel"} default button 1
    if the button returned of the result is "OK" then
        restart
    else
        display dialog "Your computer has malfunctioned. Restart?" buttons {"OK", "Cancel"} default button 1
        if the button returned of the result is "OK" then
            restart
        else
            restart

        end if
    end if
else
    display dialog "To delete the virus, you must restart the computer. Restart?" buttons {"OK", "Cancel"} default button 2
    if the button returned of the result is "OK" then
        restart
    else
        display dialog "Your computer has malfunctioned. Restart?" buttons {"OK", "Cancel"} default button 1
        if the button returned of the result is "OK" then
            restart
        else
            restart

        end if
    end if
end if