1. Close Wallet
2. go %appdata%/Roaming/snowballs Delete db.log and debug log.
3. Snowballs shortcut properties type .........\BALLS-Qt.exe -rescan
4. Start Wallet
5. Help -> Debug Window -> Console type repairwallet
5 Thats it.
Thanks, Kaenguru
I did the steps exactly as described above and got rid of invalid checkpoint!
Peace!
Dennis
Then u did something wrong maybe.
I have no errors anymore and got stake of 80k today