Version 1.3.0 on Windows 10. It worked one time and after I did someting with the node it never worked again. I've deleted the .cfg file but that dit not work.
When I start the program I just see the black introscreen and bottom left "loading blockchain" but after approximately 5 seconds it crashes.
Than you had crash the Walletconfig by yourself.
Delete all Files except qwertycoinwallet.wallet and download a new Version of Destop Wallet Client.
After this you can download a copy of Blockchain to sync faster:
https://blockchain.qwertycoin.org/