1) Wait for the hardfork.
2) Restart your wallet. It shouldn't take more than 5 minutes.
1) when it's gonna happen? should I prepare for that somehow?
2) staking status goes on and off unpredictly. it can be turned off the whole day through, and I'm restarting wallet with no success. Both OS X and Win versions.
Sometimes my balance goes immature, and I don't understand why (sometimes 100% goes immature, sometimes partially). internet connection is 100% stable.