Hello again,
There are no photos showing in the filmstrip in either the library or develop modules. I have clicked on the center of the image. I have used lightroom for a few years and have upgraded several times but never had this problem. I had somehow lost my last version of lightroom from my computer. I can only open lightroom 3 prior to my upgrades. . . all my recent catalogs and pictures in lightroom disappeared. This is why I thought I might as well buy Lightroom 4. Do I need to delete Lightroom 3 from my computer? I am not able to access develop in lightroom 3 at this point either. It is saying "your disk "My book" which contains your Lightroom catalog is critically low on space. Please remove files or empty the trash to make at least 20MB available." I do not want to delete files from my book as it contains old photos I am saving. My current backup harddrives are Lacie. I am very confused and wish I could talk to a person.
Thank you for your help.
Barbara