Hi Alex, As you said I posted the problem in a JIRA bug and I uploaded a File to test the problem.
I hope this helps you to investigate. Thank you for all your help. Here is the JIRA Bug: https://issues.apache.org/jira/browse/FLEX-34769 -- View this message in context: http://apache-flex-development.2333347.n4.nabble.com/TLF-performance-issue-tp44966p45287.html Sent from the Apache Flex Development mailing list archive at Nabble.com.