.pyw and pythonw does not run under Windows 7

Question

Running a simple .py or .pyw python file causes python.exe to show up under Task Manager.

python myApp.py
python myApp.pyw

How

Answer 1

I had a similar problem after an upgrade to my computer RAM. Turns out I had to reinstall Pillow (library used for image processing). So make sure it is installed and if it's not, install it using "pip install Pillow" in cmd.