tried to add node but didn't work
15:31:33

addnode=95.217.77.209
15:31:33

Method not found (code -32601)
You need to type "addnode 95.217.77.209 add" for each node.
Use these:
addnode 87.98.159.143 add
addnode 64.71.72.56 add
addnode 95.217.77.209 add
addnode 52.15.150.105 add
...
2020-12-03 03:26:48 ERROR: Read: Failed to open file F:\ixcoin\peers.dat
2020-12-03 03:26:48 Invalid or missing peers.dat; recreating
2020-12-03 03:26:48 init message: Loading banlist...
2020-12-03 03:26:48 ERROR: Read: Failed to open file F:\ixcoin\banlist.dat
2020-12-03 03:26:48 Invalid or missing banlist.dat; recreating
2020-12-03 03:26:48 init message: Starting network threads...
2020-12-03 03:26:48 addcon thread start
2020-12-03 03:26:48 net thread start
2020-12-03 03:26:48 msghand thread start
2020-12-03 03:26:48 opencon thread start
2020-12-03 03:26:48 dnsseed thread start
2020-12-03 03:26:48 init message: Done loading
2020-12-03 03:26:48 Loading addresses from DNS seeds (could take a while)
2020-12-03 03:26:48 0 addresses found from DNS seeds
2020-12-03 03:26:48 dnsseed thread exit
...
What files do you have in inside your \AppData\Roaming\iXcoin folder?