download lastest wallet 1.4.5
save your wallet.dat from old wallets, and copy wallet.dat to %appdata%\%username%\Loco
of couse download lastest chain
https://bitcointalk.org/index.php?topic=1438233.msg16013148#msg16013148in loco.conf use this nodes:
maxconnections=100
rpcuser=zzz
rpcpassword=xxx
server=1
daemon=1
listen=1
rpcallowip=*
gen=0
staking=1
connect=88.215.150.2:51522
connect=88.215.150.2:52988
# if this nodes not working, uncommit this strings ()
#addnode=175.192.238.15:35575
#addnode=68.36.216.167:35575
#addnode=176.14.89.191:35575
#addnode=198.74.56.141:43240
#addnode=176.65.127.117:43392
#addnode=108.61.199.252:37839
#addnode=148.251.8.18:39170
#addnode=88.206.186.58:48289
#addnode=85.175.216.200:52788
#addnode=85.175.216.200:53050
#addnode=45.32.41.132:43374
#addnode=88.215.150.2:51522
#addnode=88.215.150.2:52988
#addnode=5.44.172.146:5606
#addnode=95.23.136.43:49711
#addnode=197.82.212.106:48522