Hi Agusantoso,

Thank you for your report. We apologize for the inconvenience.

Please send us your bug report via email to sales@astah.net. When you do, please attach your log file (astah_com.log) you can find it under
USER_HOME\.astah\community

(Related FAQ: Where can I find a log file)

Also one quick question:
Is it correct that Astah shut down when you have a mouse over any object in the tool bar in the Diagram Editor like this?







Thanks,
SJ