The red "out of sync" message when synchronizing with the Bitcoin network does not convey enough information for the user to understand nothing is wrong with the wallet.
See the multiple posts new users of Bitcoin Core have posted:
http://www.reddit.com/r/Bitcoin/comments/34c0xu/so_i_decided_to_try_out_bitcoin_im_guessing_this/
http://www.makeuseof.com/answers/how-long-does-it-take-a-bitcoin-wallet-to-sync/