man, all the info is on the mining pool site and it's all 100% rejections using cpu(intel !7) with xmr-stak!
it mines but all rejection like if you would mine with a asic miner! please believe me i tested a lot.
Use Cryptonight-Heavy algorithm.
Without your Miner settings nobody can help you.
no valid configuration found! when i open start.cmd and xmrig.exe won't even open
using xmrig 2.64 msvc
you got to edit > config.json right?