I had the same problem I kept press Ignore for like 20 times then it opened the game but the screen was dark but when you pick a channel your screen will be black. So your gonna want to delete everything that has something to do with dbo ENGLISH PATCH TOO! Then your going to want to Re-Install there's a thread that shows you how to get, and it's this:
http://www.dbocom.com/forum/showthread.php?t=26673 Then you are going to want to Uninstall and install like i said then wait then DBO will come out, the Dragon, then it will Load for about 20 minutes press START then you have DBO if it dosen't work try looking at the other forums.