I had similar issues when a resync caused corruption issues. Try deleting everything apart the exe, the dll files and the wallet.dat if you have some xcn. You'll then need to do a search for cryptonite in the registry and delete any keys you find. I used regedit. I think the important one is the datadir key which seems to tell cryptonite to do a fresh install. You might also struggle connecting to any peers once it starts up so run 'addnode 206.72.193.148 add' from the console command line in cryptonite.

Okay, perhaps not a bad thing. But can I ask why the block time isn't set to be faster? If I have understood it correctly, faster blocktime = faster transactions, but bigger blockchain, so it should be suitable for this coin. The long transaction time in Bitcoin is clearly a weakness.

Okay. I am convinced. It really feels like you have thought every aspect of this project through. Im surprised it hasn't got more attention yet, obviously this market is still too cluttered with sloppy scam attempts. Anyways, I just get more and more comfortable holding this coin.

Is there any thought to centralization of mining? The vast majority of miners seem to be on http://xcn.1gh.com/ with a few on http://xcn.nonce-pool.com/. It looks like we're way beyond the levels that ghash reached with bitcoin which caused such a media storm. Luckily this produced several good proposals to fix bitcoin, just because bitcoin couldn't manage a hard fork to fix their problems it doesn't mean we couldn't do that to make sure xcn is ready with all the solutions.
See http://hackingdistributed.com/2014/06/18/how-to-disincentivize-large-bitcoin-mining-pools/ for one idea. 

Thanks, it did the job

The longterm vision is a truly scalable cryptocurrency which will remain decentralized long into the future. With improved scalability you get more transaction bandwidth and better support for micro-transactions, which are important properties for any cryptocurrency which wants to support a large user base.

I'm not exactly sure what you mean by "an internet of coins scheme", but I designed Cryptonite to fill a certain niche in the altcoin scene, so it can do things that other alts cannot do and it will probably have applications that I have not foreseen when it comes to interaction between different altcoins.

As I said Cryptonite may have certain advantages that make it useful in a supernet type of system. I haven't really been following the progress of the supernet stuff and I'm uncertain exactly how it all works so I can't give you a good answer. And no I haven't been contacted about HF trading. Typically exchanges handle the trading, especially high frequency trading. Even if Cryptonite can better handle more transactions there is no reason to make all those HF trades as real transactions when you can let exchanges handle that stuff off the chain.

Yes exchanges are clearly the weakest link in the whole cryptocurrency ecosystem, so I can understand the desire for a decentralized trading platform. Over the last few years I've read about at least a dozen such platforms but I'm not sure how many of those actually manifested into a real solution. I'm fairly sure there is at least one P2P trading solution in existence right now but this is another topic I haven't been keeping an eye on lately. The main problem with any decentralized trading platform is the inherent latency which P2P networking brings with it. Although Cryptonite can handle a larger number of transactions I don't think it would have a low enough latency to handle high frequency trading and I still don't think it would be a great idea to cram all the HF trades into the blockchain. The best solution would probably be to create a specialized side chain to hold all the trading transactions because then you can easily solve the problem of how to create trading pairs between different altcoins, you just need the sidechain to be connected to multiple altcoins and the ability to track which type of assets exist in the side chain. Now that I start thinking about this topic more I'm getting all sorts of ideas about how to design such a side chain.

EDIT: actually I think the mini-blockchain scheme would probably be the ideal type of system to use in such a side chain because when you think about it, trading just boils down to balances. When you're trading on an exchange all you really care about is your coin balances. When you make a trade one of your balances will decrease and another will increase because you're selling one type of asset in return for another type. So when it comes to trading I don't think there is a need for advanced scripting capabilities. The mini-blockchain scheme uses a simple balance system instead of scripting so it seems like the ideal solution to this problem. We don't really need the withdrawal limit feature in this type of side chain, so we could just use the withdrawal limit field in the account tree to represent the type of asset. So for example a value of 0 might be BTC, a value of 1 might be LTC, a value of 3 XCN, etc. That way it would be super easy to know how much of each coin you are holding and it allows us to track which coins are being sent into and out of the side chain. To trade between different coins you'd just need to create a transaction with the appropriate outputs signed by all parties involved in the trade.

So forget HF trading. Provide the ability for natural buyers and sellers to transact reasonably conveniently and without counterparty risk and let the gamers go play something else.