One of my Wallets Won't Synchronize

Has anyone ever experienced this issue? The blockchain never loads for one of my altcoin wallets.

Yeah, I've had it happen before. It's usually because some of the nodes are down, or you're unable to connect to any of the peers to receive it. If you were able to sync before, but can't now, then I'd check the node list and see if there's any new ones you can add. They may have been replaced or updated and that's why you can't connect to sync up.