Hello , we just released update that should finally fix network split problem.
That update is mandatory for everyone.

Please download updated wallets: https://github.com/numuscrypto/numuscore/releases/tag/1.0.1.5
 If your wallet cannot synchronize with network, then you need to resync your blockchain.
 1. Navigate to your wallet data folder (for Windows its usually c:\users\username\appdata\roaming\numus)
 2. Copy your wallet.dat to safe place
 3. Remove everything except - wallet.dat , numus.conf , and backup folder.
 4. Download presynced blockchain and unzip to this folder https://github.com/numuscrypto/numuscore/releases/download/1.0.1.5/numus_db_251402.zip
 5. Start your updated wallet and wait for full synchronization
 6. After full resync you need to correct your wallet file balance , to make it open Help -> Debug Window -> Console and put repairwallet command to the console.
 7. Done