maybe try adding these nodes to the .conf file too:
addnode=136.243.217.171
addnode=138.68.187.166
addnode=144.76.151.198
addnode=145.239.71.6
addnode=159.180.97.195
addnode=162.243.59.178
addnode=164.132.164.49
addnode=172.116.64.105
addnode=176.9.25.79
addnode=179.232.220.139
addnode=185.50.213.123
addnode=188.165.235.208
addnode=193.27.209.115
addnode=195.80.171.230
addnode=198.15.127.242
addnode=198.27.81.114
addnode=207.154.195.132
addnode=216.15.69.179
addnode=217.169.182.114
addnode=24.102.170.25
addnode=45.79.72.31
addnode=47.18.41.236
addnode=47.93.173.10
addnode=5.9.106.77
addnode=54.67.86.126
addnode=64.156.193.100
addnode=69.12.92.107
addnode=79.134.201.82
addnode=80.141.32.149
addnode=81.89.56.170
addnode=85.25.194.204
addnode=87.228.238.158
addnode=93.140.70.12
addnode=93.140.71.199
addnode=95.26.32.45
If that doesn't work you may need to download the chain again?