Confused Newbie (sort of)

Hi, I came here because I am having trouble getting Calibre to find my library after moving to a new computer. I tried to register for this forum and discovered I already had an account from several years ago. I don't even remember it.

I have used Calibre for years to store and organize my collection of fanfic, mostly downloaded from AO3. This is the first time I've had a problem with it. I tried the suggestions from the Calibre FAQ without success. I want to know which forum I should post in to get help.

:help:

This kind of forum is new to me and I'm just figuring it out. I find all the pop-up ads confusing.