A family of Microsoft word processing software products for creating web, email, and print documents.
Thank you for replying, Ganesh.
My Word version is 2000 (9.0.2720).
I use Microsoft Security Essentials and it is on at this time.
Just a moment ago, after I read your reply, I tried to paste an article off the Internet into Word again. This time Word worked fine.
I also tried your tip about Notepad and that works, too. (Of course, the Notepad solution does away with all the links and photos in the article.)
Perhaps the problem was just an aberration.
Thank you for your help.
Luis