Well, I am not a Windows Expert, by any means but hopefully someone else who works with it more can help you. This actually sounds more like an MS Office(tm) problem, but I could be wrong.
At a guess, you might attempt to highlight by dragging the mouse pointer over the text section you are attempting to modify, and then right-clicking to pop up a menu and selecting (or de-selecting) only the attributes you wish for that section, while remembering that the Word Processor will continue to keep those options for the rest of the text you type...
But I could be wrong. I will leave it to the experts to weigh in on it, then.
That is a good idea. I will give it a try. Thanks. I have stumbled across the pop up three or four times over the last five years or so. The pop up is accessed by right clicking but the pop up is not located in an area associated with text. Kinda odd.