Hi guys, hopefully someone can answer me a question.

When testing a wallet backup the client starts downloading the Blockchain again from scratch, although this time it gets stuck at block 722. Ive deleted all related zcoin files and started again but it always freezes at block 722. Where is the Blockchain stored? Can I point the client to it again? Why did it stop at block 722 this time? Is there a way to change the wallet.dat file for my backup without restarting the chain download?

Thanks for any assistance.