Elgg needs to know where it's installed to load files correctly, so you can't install it somewhere then move it. You'll need to follow these directions to move an installation: http://docs.elgg.org/wiki/DuplicateInstallation
Is there any quick fix to elgg so that I can open it on any network?
The quickest answer is to install it on a public server.
info@elgg.org
Security issues should be reported to security@elgg.org!
©2014 the Elgg Foundation
Elgg is a registered trademark of Thematic Networks.
Cover image by RaĆ¼l Utrera is used under Creative Commons license.
Icons by Flaticon and FontAwesome.