I tested this Popen call in a standalone interpreter outside of Spyder, and it only works with Python 3.10.0 if I don't pass the env parameter. If I do, then it complains about not being able to find ...

What is your shell and what is "python.pythonPath" set to? And can you launch the Python interpreter specified by "python.pythonPath"?

The absence of a valid Python installation results in the system not having the necessary files to execute the code. Incorrect setup of IDE or development environment: If the Integrated Development ...