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Save Files List On Exit is not saving.
Under advanced options both Save Files List On Exit and Save Failed File List On Exit are selected with a check in the box.
Mention within the forum about Save On Exit issues was lack of disk space. I have almost a TB free.
I know the Save Failed File List On Exit worked in the past. Currently the status is unknown.
I think Save Files List On Exit may have worked in the past but I am not absolutely positive.