There is a discussion over in reddit of the problem "Wallet stuck at block 1010002, what to do?":
https://www.reddit.com/r/gridcoin/comments/73jpfl/wallet_stuck_at_block_1010002_what_to_do/
I just wanted to highlight this problem in Steemit as well as it would had saved me several intention to reestablish Wallet and Blockchain for two days.
Yes, I have the same problem.
And it seems that the devs are working on a solution.