M-
I'm glad to hear that making the new preset fixed the problem! I apologize if my reply was abrupt; I should know better than to reply when I'm in a hurry...
Hmmm.... no keywords in the presets though? It's still a mystery... I wonder if at some point the preference was enabled to store your presets in the catalog. I would imagine that would make things more complicated when Lightroom starts behaving strangely with regard to import presets. Which raises another question, I don't know how a preset in the database would play with "regular" presets, especially if they have the same names?