- OSError: [WinError 10013]

(mflix_venv) C:…\M220P\mflix-python>python
Traceback (most recent call last):
File “”, line 16, in
File “C:…\M220P\mflix-python\mflix_venv\lib\site-packages\flask\”, line 841, in run
run_simple(host, port, self, **options)
File “C:…\M220P\mflix-python\mflix_venv\lib\site-packages\werkzeug\”, line 795, in run_simple
s.bind(get_sockaddr(hostname, port, address_family))
OSError: [WinError 10013] The attempt of access to a socket is made the method forbidden by access rights

OS: Windows10

This error disappears when the app.port is changed ( default port 5000)