I live in Eastern Europe too (Romania). As far as I remember Harry Potter was never said directly as forbidden, yet it was the common consensus. It was a strange development to my family really. I bought the first books, and started reading it with my wife. She absolutely enjoyed it, couldn't wait to hear more, and looked forward to getting the 5. book (it was still not out then). Then at the 6. book he was somewhat reluctant, like "oh, I don't know, ok, let's read it". Then at the 7. she was completely against - no way, they're demonic, they promote wizardry, etc. But "could you tell me how it ends?" "No dear, you have to read it for yourself". After half a year she sort of had a nervous breakdown, and wanted to throw out the Harry Potter books, because it was clear that our house is full of demons because of the books.
This change was much due to pressure from our congregation members. Although it was never mentioned from the platform, I heard several casual comments that how "demonic" it is.
I had a similar experience with the "Da Vinci Code". At one casual meeting one regular pioneer went on and on about the book - she saw some documentary or something. I was sort of hiding at that time, so didn't come out front and ask her is she read it. Obviously she didn't. If she did then she would either discovered it was only a work of fiction (don't care what Dan Brown says), and/or knew the story is against the Catholic church, so everyone who read/saw it would listen to the "good news" better.