RIGHT click on each folder that contains picture files, choose "Properties". When the properties window of the folders opens, then UNCHECK the box that says: "Read Only". Then click on "Apply", then OK. During this last process a small window will ask you about a couple of options. Choose the one that says: "Include all subfolders and files inside this folder", then click on OK.
All picture files inside the folders now should be editable and readable.
It might also be possible that you changed the permissions somehow..In that case, after RIGHT clicking on the folder, choose "Sharing and Security", then make sure the folder is shared for all users.
Hope this helps.
I thought I was being smart by trying to organize my photos into separate files. I took one large folder and moved the pictures into 8 smaller, more specific folders. I then moved the original large folder to the recycle bin, which I emptied twice. Now, when I try to access my pictures, I get the message "file could not be opened". When I check the properties of the photos, I see that they are now "read only" files. What did I do? And how can I fix it? I am running Windows XP Home. And using Nero 7 Ultra Edition for the photos. Thanks.