The trial and the full version only have one difference, the
trial is limited to 30 days use.
Is your project on a network drive? You must work locally and
backup to the network, unless you are using source control.
Occasionally you might get a blank topic but that is usually
restored by restarting RH. I haven't seen that problem now for a
long time so maybe the patch fixed it. Did you install the patch?
See the Help menu.
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