Do you have Norton Ghost installed on the computer?
The lock symbol indicates that the permissions on the photos are set for your access only. The lock (padlock) overlay icon appears for files/folders
which are private, but located under a non-private directory. If a standard user tries to access the folder with a lock icon, they will get a popup that says “You don’t currently have permission to access this folder. Click Continue to permanently get access
to this folder.”
There are two ways of removing the lock icon.
click on the folder and click on “Properties”.
to the tab “Sharing”.
the usergroup from the dropdown e.g. Everyone if you want to share it with everyone and then click on Share to remove the lock from the folder.
The usergroup “Everyone” will have access to the folder then. The folder no longer has special permissions and Windows 7 will therefore remove the
click on the folder and click on“Properties”.
to the tab “Security”.
on the “Advanced” button at the bottom.
on “Change Permission”.
your user account and check the option “Include inheritable permissions from this object’s parent”.
on apply to remove the lock icon.
The lock icon will be removed because the folder now inherits the permission of the parent folder. If that folder does not have any special permissions
you will successfully remove the lock from the folder.