Thanks, Mauno. I did originally install via Fantastico but upgraded to 1.6 manually. There were issues about the location of moodledata/uploaddata with the recent upgrade. Yes, I changed the name this time, too. That was done to try and avoid moodle from looking to the old stuff.
I'll try to check on the debugging and checkon mod_security and have it disabled if possible. Did switch to "globals OFf in the .htaccess file.