also have some problems with synchronization of blockchain after creating a new wallet. after 5 hours of synchronization the blockchain is downloaded but it can't save it! And another problem with new wallet after it starts and begin synchronization it runs and slowly take whole of free RAM. i left it for 24 hours but still can't save the blockchain. if i finish the process i'll need to begin from zero block. Can some body help me? Win 7 x64