Katmandieux wrote My previous post (http://forum.librecad.org/Crash-Problems-with-Ver-2-0-0beta1-on-opening-saved-file-tp5707946.html;cid=1366721105467-81) outlined an instability problem on a Macbook running OS X 10.6.8. I uninstalled ver. 2.0.0beta1 and loaded ver. 1.0.1 and so far have not had a single problem. It's not as nice to use but no crashes yet.