Unknown Folders in Windows Mail Inbox

Windows Mail Lost My Email

PLEASE LOOK AT MY ATTACHMENT AND LET ME KNOW IF YOU HAVE EVER SEEN THIS. A few days ago I lost a large number of emails in Windows Mail and unknown folders appeared. My PC is an HP 64 bit dual core running VISTA. I browse with Google Chrome. When I click on any unknown folder it is empty or seems so. They start below Junk E-mail with Recovered Messages then Local Folders and this sequence repeats many times. See Attachment PDF. I seem to have most of my Inbox mail but all my custom folders by category of email (friends, various activities, etc.) are gone. I have rebuilt a couple. I have my emails on an external drive but don't want to import them back if they are just going to go away again. Somewhere I read that this may be related to anti-virus activity(not a virus but reaction to the abnti-virus) so I removed Spybot and Malawarebytes and only left Norton Security. I would appreciate any ideas on what happened and how to remove these folders before I import backed up mail. Also any thoughts on if the mail may be elsewhere on my PC and how to locate it. Thanks.

I can't see any attachment, but to me, it sounds like Mail is trying to recover something and messing up, because of either the external drive or the anti-virus like you've already stated.
(by the way Norton IS the anti-virus, not Spybot and MBAM, and it is also another thing I dislike in this world for pointless reasons)

Thanks for the reply, DixieKongJD. I agree Norton is number 1. As to the Windows Mail, still no luck. I have tried pretty much every suggestion I find on the Internet. Most include going to Tools and Options and making various changes,restart, etc. Evedn tried restore & recovery unscessfully. Most of my archival mail is gone anyway so I may just remove it entirely and go with a different email or exclusively use my gmail or Xfinity (Comcast) mail.