hi
i do the same i had 2ltc yersterday on litcoin Qt i send 0.3 to a person she receive only 0.1 not confirm so he ask alert key compromised upgrade required , i do yerterday night litecoin.core but this morning in my wallet there is 0.
i try to find my 1.7 ltc but i can t fin the fille wallet.dat on my computer help me please.