Yeah, I agree that searchqu wouldn't affect that. The third of the links you gave looks like an especially good way to methodically work through the issue. Will do so over the weekend and post results. Thanks.

Well, I found the problem. In working through the steps in the third link, I found that I had recently installed a Word plugin for a piece of software I was running and, sure enough, after removing that plugin (Mendeley-1.3.2.dotm), the functionality of the Find/Replace returned to normal. I let the developers of the software know of my problem. Thanks for the help macropod!