http://www.zwsoft.com/forum/viewthread.php?tid=2547 WHY DO THEY OFFER A TRIAL VERSION OF THIS SOFTWARE IF IT EXPIRES ON FIRST OPENING THE PROGRAM. WAIST OF DATA AND TIME !!! katses1041 2012-12-24 17:02:56 http://www.zwsoft.com/forum/viewthread.php?tid=2547&pid=16388 Hi, katses1041 The missing 30 days trial rarely happens, could you please check the following setting to see if it fix the problem 1) Make sure that you install ZW3D with administrator, which the Guest level of authority might stop the complete installation 2) Right-click ZW3D to run it with administrator, in case that the program is not well installed. If you still have the problem, please send your email to [email]zw3d@zwsoft.com[/email], and we will provide the special code to activate the program. Best regards Colin colinchuang2008 2012-12-25 09:23:38