Close your wallet.Go to your bitcoinplus executables by searching "roaming" on your OS.Rename the wallet.dat file to something by adding a letter or number or whatever in there and remove it by dragging it to your desktop.Now reopen your wallet and go to console and type in "repairwallet" and hit enter.Close and reopen your wallet.If you get a connection either import your key from the old wallet.dat address or close down wallet again and go back to your executables and delete the wallet in it and then drag the old wallet into there and rename it simply "wallet".Close the files up and open wallet.Any problems pm me or a team member.