somebody help!!! I have used zelcash-wallet-windows_0.0.0.2, everything was fine but today I couldn't synchronized my wallet 
window coming up:
There was a problem communicating with the Zelcash daemon/wallet.
Please ensure that the Zelcash server zcashd is started (e.g. via command "zcashd --daemon"). Error message is:
Error response from wallet: error code: -2 error message:
Safe mode: Your client is out of date and incompatible with the Overwinter network upgrade. Please update to a recent version of Zcash (1.1.0 or later). Seethe console/logfile output for more detailed error information!
window coming up:
There was a problem communicating with the Zelcash daemon/wallet.
Please ensure that the Zelcash server zcashd is started (e.g. via command "zcashd --daemon"). Error message is:
Error response from wallet: error code: -2 error message:
Safe mode: Your client is out of date and incompatible with the Overwinter network upgrade. Please update to a recent version of Zcash (1.1.0 or later). Seethe console/logfile output for more detailed error information!