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Since 1.4 it is possible via adding the "tagsedit.autocomplete.acceptonspace = 1" parameter to the cintanotes.settings file.
Sorry it seems that your message didn't come through
If you have a Google account, you should try using it here, it works without any problems.
Do I understand correctly that the "Run at System Startup" option doesn't work for you and CN does not start automatically on system restart (not just resume)? If so, this is a serious issue and needs to be investigated. Your assistance would be crucial here and answering questions 1 and 2 would be very helpful. Thanks!