Wallet still don't work?
Delete all file C:\Users\\AppData\Roaming\LitecoinZ , except wallet.dat, litecoinz.conf files and run Wallet again.
litecoinz.conf contain:
rpcuser=username
rpcpassword=password
server=1
listen=1
addnode=88.86.186.158
addnode=178.32.117.60
addnode=85.214.53.137
addnode=139.59.145.115
addnode=173.249.11.207
addnode=81.29.192.216