Not syncing / stuck
1. Stop/shutdown your wallet client if it is running.
2. Go to %appdata%/solaris/ and back up the wallet.dat file.
3. Delete the 'blocks', 'chainstate', 'sporks' and 'zerocoin' folders from your data directory.
4. Download the bootstrap from https://solaris.coinstatistics.online/bootstrap.zip
5. Extract the downloaded zip file, you will see it contains a bootstrap.dat file.
6. Place the extracted bootstrap.dat file in your data directory.
7. Start your wallet client.