[WinError 193] when initializing XFoil()

[gmonechi]

I am having an issue when initializing an XFoil object, after a successful installation of the package. Here is the error:

from xfoil import XFoil
xf = XFoil()
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\Guido\anaconda3\envs\optCourse36\lib\site-packages\xfoil\xfoil.py", line 56, in init
self._lib = cdll.LoadLibrary(self.lib_path)
File "C:\Users\Guido\anaconda3\envs\optCourse36\lib\ctypes_init.py", line 426, in LoadLibrary
return self.dlltype(name)
File "C:\Users\Guido\anaconda3\envs\optCourse36\lib\ctypes_init.py", line 348, in init
self._handle = _dlopen(self._name, mode)
OSError: [WinError 193] %1 is not a valid Win32 application

Any idea what could be causing it? I have cmake and Mingw installed and in Path. The installation was successful both using pip install xfoil or from the Github repository, but always lead to the same error. I tried python versions 3.6, 3.7 and 3.8, always with the same result.

How can I fix it?

Thanks,

Guido

[emvalbuena]

Hi!

Here they suggest to reinstall Anaconda. Have you tried that?

https://stackoverflow.com/a/56638513

[jannav84]

Hello,
I have similar issue. It ends up with same error either I try it directly in Python console or in PyCharm environment:
`Traceback (most recent call last):
File "D:\Work\TAG\Flexwing_py\test.py", line 4, in
xf = XFoil()
File "C:\Users\navratil\AppData\Local\Programs\Python\Python310\lib\site-packages\xfoil\xfoil.py", line 56, in init
self._lib = cdll.LoadLibrary(self.lib_path)
File "C:\Users\navratil\AppData\Local\Programs\Python\Python310\lib\ctypes_init.py", line 452, in LoadLibrary
return self.dlltype(name)
File "C:\Users\navratil\AppData\Local\Programs\Python\Python310\lib\ctypes_init.py", line 374, in init
self._handle = _dlopen(self._name, mode)
OSError: [WinError 193] %1 is not a valid Win32 application
Exception ignored in: <function XFoil.del at 0x000001BEFFC377F0>
Traceback (most recent call last):
File "C:\Users\navratil\AppData\Local\Programs\Python\Python310\lib\site-packages\xfoil\xfoil.py", line 66, in del
handle = self._lib._handle
AttributeError: 'XFoil' object has no attribute '_lib'

Process finished with exit code 1`

Is there any way how to fix this issue?

Thanks,
Jan