Had this problem since a couple of updates back. I open up Calibre and my library is gone.
Preferences still show the right link. The books/folders etc are still there on my HD, but calibre shows nothing in the screen.
I've installed/uninstalled, rebuilt the DB by bulk and one by one, but this afternoon I open it back up to add more books and the library is bare again.
Can anyone offer any advice (hopefully something blonde that I'm doing)? I love what Calibre does for me and my Sony Reader, but I'm getting just a tad frustrated
Running on a Mac OSX 10.4.11 Intel