ok, me i try to make maps but i have some problems with RenX editor, when i try to build a map i get crash (see crash logs), that crash i get it only on RenX Editor not on Unreal 3

Can somebody know what is ? :


Crash Log:

Quotation:

Signature issue: Problem event name: APPCRASH Application Name: UT3.exe Application Version: 0.0.0.0 Application timestamp: 49cb0f31 Fault module name: kernel32.dll Defective module version: 6.0.6002.18005 Timestamp failure mode: 49e037dd Code exception: e06d7363 Away exception: 0003fbae OS Version: 6.0.6002.2.2.0.256.1 Locale ID: 1048 Additional Information 1: b9fc Additional information 2: f143ccdd63d27109f59cf4be8eb6192d Additional Information 3: 9b60 More 4: f82b6ee84849b064482ff8c7fd1cb87a Read our privacy statement: http://go.microsoft.com/fwlink/?linkid=50163&clcid=0x0418

after crash his app hang and not work