Jammed zcash so is it possible to copy wallet.dat to new installation?

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I can only suggest you back up everything including to another directory. Then follow the solutions I posted here

Stuck on blocks or Stopped on Activating Best Chain Solution

Dear All, Glad to join the community! Hi to all of you! Stuck or Stopped on Activating Best Chain? Stuck on one block and not downloading any more? I also tried re-index but this did not work for me. I noticed that I couldn’t find any real solution to this on the Support Forum. I don’t know if that’s because it is seen as a simple fix to hardened miners or Ubuntu users? I am neither of the above! I’m pretty new to it all! Anyway, I managed to solve the problem. I’m posting it here to he…

Back up everything just to be safe.