Hi Puybaret,
Finally, i did.The way is upgrade windows to the new version.

Thanks for your support.

Any other options to solve this problem?

I have do it but nothing happened and did't get log.

Yes,I do and able to save but wouldn't save as...what's happening...please help to solve it. Need to change Windows version or not?
I try to run with administrator but the same...wouldn't save or save as.

Thanks for your support & helf...better to have any ID of online chat then easy to show what appened now.

<t>It not able save or save as when i want to have a new project it nothing happened as "I try to open a file ("open" dialogue) nothing happens. Same when I try to save or save-as, nothing happens. When I try to close the application it asks me if I wanted to safe the progress - when I click save ...

<r>I installed 7.2 it would't save or save as any new project,Java was smoothly. And i try lot of steps the same of <URL url="http://www.sweethome3d.com/support/forum/viewthread_thread,11932"><LINK_TEXT text="http://www.sweethome3d.com/support/foru ... read,11932">http://www.sweethome3d.com/support ...