Forget about it. I had installed Python 3.13.14 but, for some reason, I also installed Python 3.14, and that caused a mess. I cleaned all the stuff, re-installed 3.13.14 and now GeigerLog is happily set up and running. My apologies and thanks for reading this!
Hello! I've just installed GeigerLog on my Windows 11 PC and configured it as stated in the manual. I've installed Python, pip, etc. After running GeigerLog.bat, I get this: GeigerLog Startup -------------------- in RUNTIME mode --------------------------- startup: Command Line: ['geigerlog.py'] startup: System Python: Python 3.13.14 startup: Virtual Environment: venv found: __venv2.1pre01 startup: Virtual Environment: venv uses: Python 3.13.14 startup: Completed: Handing control to GeigerLog Runtime...