Why am I gettig a message I am not the owner on my 'manage my upgrades' page?

how to remove twitter username under sharing buttons

I paid for features that aren't working

Image Orientation Being Overriden

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I am trying to request a refund….cannot see to find to get refund for PREMIUM

Uploads give an error

How to sell an e-book from my wordpress.com site

Error with my web page loading

Allowing users to invite other users?