Do you have Add selected or Copy or Move selected at the top of the import window. If Copy or Move check the Destination location for proper Read + Write permissions. If Add is selected then check the Desktop folder to see if your Username has Write permissions.
Thanks for answering me. When I open LR and click on the Import button I am able to Source to a folder that is on my desktop containing the photos I wish to import. Those photos came from the Photo program on my iMac that were previously moved to the folder. The photos from the desktop folder show up in the LR window. I check the photos I wish to import, name the Collection I wish them to import to, click ADD, then click Import. The import window changes to Library, Develop, Map, etc window. The photos never materialize in the collection I chose so that I can edit them. The Import Button on the Library, etc. window is not activated and I cannot attempt another Import, I must close Lr and reopen to activate the Import Button. One other thing, at top left of the Lr Library screen it reads, "Import files at their current location." Any further assistance is appreciated. Is there a phone number at which Lr Tech Support can be reached?