LIBRARY
Alibrary is a set of resources. It can contain models, materials and textures. A library allows for an easy reuse of resources in different projects. Libraries can be very easily built using the Library Explorer. A project can use any number of libraries.
If a library is in a location that cannot be modified by user it is read-only. This is the case with the built in Lib1 library and the UAC enabled on a Windows Vista and Windows 7 after the Flow Architect Studio 3D is installed. This is because default libraries are written to a Program Files folder that is write protected by the UAC.
Read only libraries and all resources contained in them are displayed in the Library Explorers with padlock icons.
In order to edit libraries make sure that libraries are in a location that you can edit or create a new library in an area with read and write access rights.