Check your members directory and ensure the files still exist; you'll want to open one of the files and check to make sure it's not blank as well.

If they've been blanked out you'll need to restore them via a backup you've created.

You'll definitely want to upgrade, the build you're running is vastly old, ad as you've discovered, likely insecure.

I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
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