ccminer-x64 -a cryptonight -o stratum+tcp://eupool.electroneum.com:3333 -u etnjwumiStdZZJbvGGCU891gAWLCo5q9B1AwwdunN5QYQyezinR2zbTWNW93x2P3MiXyCCbaArEEPW4 o4fzVHD4s3uPXrRCaFF
 -p x

i had a few problems when copying the address that it was putting in the spaces but they were invisible. so i pasted the address into my web browser and i was clearly able to see and remove the spaces