Error 193 %1 Is Not A Valid Win32 Application

I found this error [Error 193] %1 is not a valid Win32 application when i run this python command windll.LoadLibrary('C:\Windows\System32\plcommpro.dll') For this error i found my

Solution 1:

If you are using a 32 bit Python and the DLL is a 64 bit DLL you will get this error, likewise if the DLL is 32 bit and your Python is 64 bit.

You can check this using the dumpbin /HEADERS <dll filepath> command from a visual studio command prompt.