I just used this and it worked. The instructions were very helpful, but needed formatting:
- Press and release Alt key to get Menu Bar
- Tools Menu
- Settings (last item)
- In General in Search box type: Config Editor
- Click on the Config Editor button
- In the search box type: jsmodule
- Double click on the mailnews.nntp.jsmodule and it should turn False
- Close the program
I kept looking in this Post but it does not have these instructions: