navcoin forked? you on wrong chain? dont want to spend ten mins trying to remember where everything is and what to type, well here ya go

rebootstrap.sh

#!/usr/bin/bash
# might need to change instances of 'user' to your username. 
# add following line to your crontab to have a fresh (ish) bootstrap on hand.
# @weekly tar -czf /home/user/projects/bootstrap/bootstrap.tar /home/user/.navcoin4/chainstate /home/user/.navcoin4/blocks

navcoin-cli stop
echo "Waiting a bit so navcoind has completed..."
sleep 10
cd /home/user
mkdir tmp_bootstrap
echo "Saving wallet.dat"
mv .navcoin4/wallet.dat tmp_bootstrap
echo "Deleting old files"
rm -rf .navcoin4/*
echo "restoring from projects/bootstrap/bootstrap.tar"
tar xf projects/bootstrap/bootstrap.tar -C .navcoin4/
echo "Restoring wallet"
mv tmp_bootstrap/wallet.dat .navcoin4/
navcoind -daemon
rm -rf tmp_bootstrap