We had to make some final changes to the wallet to ensure it was sync'd properly with Bittrex...
We have a final update for you please just download this wallet version and replace the folder on your desktop no need to do anything to your roaming folder.
https://mega.co.nz/#!uctlCISD!RO9dsbMFz42bEmK28FxM8eYdaFgr2-2En0n2lOYHTogIf you receive a error in loading blkindex = need to resync (so need to delete all but wallet.dat in appdata)