You have to delete copy of blockchain and sync from scratch. Remember to select detach database at shutdown and make a copy once its sync'd.
Do I need to create file "compound.conf" and register the "addnode" in it?
Yes. This is mine:
addnode=94.142.140.157:8422
addnode=67.240.110.131:8422
addnode=50.75.92.2:8422
addnode=101.175.97.117:8422
addnode=193.169.146.225:8422
addnode=194.143.137.50:8422
addnode=188.79.250.66:8422
addnode=104.220.157.120:8422
addnode=98.15.21.180:8422
addnode=80.241.215.104:8422
addnode=187.94.101.146:8422
addnode=94.241.194.58:8422
addnode=77.58.35.15:8422
addnode=69.201.166.53:8422
addnode=105.227.47.248:8422
addnode=134.255.220.7:8422
addnode=94.142.140.157:8422
addnode=67.240.110.131:8422
addnode=50.75.92.2:8422
addnode=101.175.97.117:8422
addnode=193.169.146.225:8422
addnode=194.143.137.50:8422
addnode=188.79.250.66:8422
addnode=104.220.157.120:8422
addnode=185.66.140.234
addnode=178.136.106.216
addnode=101.111.89.85
addnode=149.210.128.162:8422
addnode=129.232.207.38:8422
addnode=86.138.165.155:8422
addnode=37.134.24.236:8422
addnode=46.147.193.168:8422
addnode=109.90.66.216:8422
addnode=134.255.220.7:8422
addnode=50.75.92.2:8422
addnode=68.197.36.7:8422
addnode=67.240.100.245:8422
addnode=194.143.137.50:8422
addnode=45.63.121.28:8422
addnode=154.20.57.233:8422
addnode=73.42.144.183:8422
addnode=120.149.24.142:8422
addnode=105.228.174.112:8422