I just sent an email to you, because i cannot post here your login credentials.
Replying your questions:
max crach everytime i use the library
Do you get some error message ? What operative system are you using ? Any additional info (as a screenshot) to identify the problem will be very valuable to us, since this problem has not been reported before.
and the textures on "planes" sometimes disapear and cant see nothing
Please, see this post: http://www.itoosoft.com/forum/index.php?topic=198.0
, tell me if the fix solves the issue.