Read the forum guidelines
That's a long-time issue.
Forum settings will not save <==== over 3 years ago
Forun Settings Not "Sticky"" <==== over 4 years ago
unsubscribe <==== over 4 years ago
I put together a list with other links but it was probably among the posts Cox recently deleted.
A post with links about a Forums issue may have been deleted by a different Forums issue.