Folks what pool are you mining ?
Please confirm so i can point you to the right direction.
minerd.exe -o stratum+tcp://pool.fuloos.org:3002 -u FSs8kemEB4qD8oEjE1kjFCMBL9okfrwry6
I used the above command, last one is my wallet address, I did as they say in getting started in the website
Are you CPU mining? If so may be reason no reward I was using a 22Mhs ASIC (Outdated by today's standards) and only accumulated 35 coins over a couple of hours. If all you are using is CPU no GPU or ASIC you may want to look into a different algo coin like cryptonote, xevan, etc. Ultranote (XUN) is a newer coin that I CPU mine and trade on stocks.exchange, or Bitcoal (COAL) and trade it on Cryptopia, both are Cryptonote Algo same as XMR (Monero).