During all these problems with the new hard drive, I notices my computer was not backing up copies of the Registry as it should. My last Registry backup was done August 28, 2002. I scanned the drive for what was changed on that date. I see that was the date I eradicated the Klez virus from my machine with fix_worm_klez_4.21. (I learned since then to update my Antivirus pattern file more often than once every 3 months.) Either the virus, or that fix, must have stopped the auto Registry backup from working. A quick search for the solution on how to get it going again led to Microsoft Knowledge Base Article 198864 and that was fixed!