coloneldare@penguin:~$ thonny
Trying to remove lock
Successfully removed abandoned lock
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/thonny/__init__.py", line 154, in launch
    _delegate_to_existing_instance(sys.argv[1:])
  File "/usr/lib/python3/dist-packages/thonny/__init__.py", line 245, in _delegate_to_existing_instance
    sock, secret = _create_client_socket()
  File "/usr/lib/python3/dist-packages/thonny/__init__.py", line 285, in _create_client_socket
    client_socket.connect(IPC_FILE)
ConnectionRefusedError: [Errno 111] Connection refused


[comment: message above seen as Thonny starts up and displays ‘home’ screen]
[selecting a drop-down menu, followed by any item e.g. ‘help’ then ‘about’ the screen crashes leaving the following in the terminal window…]


X connection to :0 broken (explicit kill or server shutdown).


[gone, vanished, dead]   :-(