text above NPC's heads not showing

[zdaraviaks]

Hello,
I have a problem then i was adding some addons for wow, NPC's names above head disappeared. I don't know what I've did, restarted all default settings, enabled-disabled all addons and nothing. I'll post images how I see now and how I would like to see.

http://i66.tinypic.com/331377r.jpg

http://i68.tinypic.com/1g2n1i.jpg

[zdaraviaks]

UPDATE: I have found it were in Options->Names->NPC Names