To answer the two replies, yes, I am almost certain of what the window said, but as you say, I could have read it wrong. As I remember, it specifically said it had installed a new def.
And to the other question, no, I haven't had a dialup connection for years.
Thanks for pointing out the live email. Obviously, even with my experience in computers, I am a total newbie at forums. I don't communicate very well with computers. That's why I have and use telephones, amateur radio and other live methods. I have email accounts mostly for on line purchases and some bill paying, not for communication.