In order to change the preferences (eg which periods are locked off) all the windows need to be shut down.
This is not helpful when you are 30 lines into a General Journal and go to save it onl...
Thanks for your suggestion on how you'd like a workaround for this to work so that you could at least see if you're in the correct mode before you start working on the transactions that you want to edit or delete. I am sorry that how the system currently works is time consuming for you, this is something that we're looking into.