that's fine, the kfm_ tables are the tables used by the File manager for both power CMS and Power Messenger. they will be recreated when you open the file manager.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.