Ok, I have tested Claymore Miner v10.0 and v7.4 and there is NO hashrate improvements.
So if NoFee does not work at v10.0 just download claymore's miner v7.4
https://i.imgur.com/9wvbBsu.jpgWhy do you have to go back to 7.4? You can use your tool with Claymore 9.7