I checked with another forum and it gave me some things to try like deleting cookies, temp files, cache and another that I am hesitant to try that is, to reinstall WinXP. I would prefer that be the very last resort because if it doesn't work, I'll be with an even less secure machine than before.
This problem seemed to begin about the time I ran Spybot S&D and Ad-aware and Norton's WinDoctor. I don't know if it deleted something that WINXP needed to connect but I tried a restore in each program and it had no effect.
Thinking it was a security problem, I tried resetting each zone but it does not stay reset - I can go right back in and it is right where it was before I even tried.
I've tried eliminating all but necessary startup programs(msconfig - unchecked startup option)thinking maybe it was a third party program keeping me from seeing the pages. No effect.