[Python.NET] Problem loading clr.pyd?

Wed Aug 20 17:33:22 CEST 2014

probably you need CLR/.NET 4.0
On Wed, Aug 20, 2014 at 6:37 AM, Hans Peter Jepsen <hpj at lodam.com> wrote:
> Hi
>> I have a problem with python.net.
>> I have with py2exe build a few programs, that uses Python.NET. I have
> tried to run the programs build on 3 PCs.
>> On 2 of PCs the programs run without problems. These PCs have Windows 7
> Professional with Service Pack 1 (64bit). The programs are built on of
> these machines.
>> On the 3rd PC I get this error message:
>> Unhandled Exception: System.BadImageFormatException: Could not load file
> or assembly 'clr.pyd' or one of its dependencies. This assembly is built by
> a runtime newer than the currently loaded runtime and cannot be loaded.
> File name: 'clr.pyd'
>> This PC has Windows XP Professional with Service Pack 2. Highest version
> of installed Microsoft.NET framework is 3.5.
>> Version of Python.Net is pythonnet-2.0-Beta0-clr4. Python version is
> 2.7.3.
>> My questions now are:
>> - What is the exact reason for the error message on 3rd PC?
> - Is the any way to solve this problem.
> - If I am using a too new version of Python.NET, is there a version,
> that would work on all 3 PC?
>>> I hope, that you can help me further?
>>> Kind regards
>> Hans Peter
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