Hi. I had this problem when I did a fresh install of the OS but a customized install for logic. The reason was because I didnt want to spend hrs waiting for the full install. thought I could just drag and drop my old library files with all IRs etc into the new one (or create the folder). What happened was the IRs went missing, some EXS samples as well These days, I'll reinstall OS, than restore from a time machine backup.