Hi all, I have Windows 7 x64 and a python version 2.7.6 on win32. The framework installed are: - Microsoft .NET Framework 4.5.2 - Microsoft .NET Framework 4 Multi-Targeting Pack. So, when i run my application he crashs on: import clr whit this error: SystemError: dynamic module not initialized properly I have also rebuild pythonnet_147 with Visual C# 2010 express, with x86 platform, but nothing. Can anyone help me, please. And possibly can anyone tell me the requirements .NET Framework installed for use pythonent. Thanks!!