Re-installed both (even 'though I have misplaced the verification code for the upgraded version I had of ProTools [PT]). So, I've an older version now of PT, but both Logic Pro and PT are working.
Thanks for the abundance of impressive responses!
Technical prowess: below median
I have an older ProTools setup--Digi 002 rack (H/W) with powered monitors connected. I recently was able to get CPU sounds (Apple Logic/I-Tunes, etc.) routed through the 002 rack (took some machinations for Apple to recognize the H/W). (Prior to this, ProTools...