Re: [ANN] Zcoin (XZC) - Implementing Zerocoin technology for financial privacy
No, my username is mikebzh44wrk1 and my workername is Quadro_GTX1060 so the dot is at the right place 
Sorry, I have no more ideas except for try out another miner. However I have doubts that the miner itself would cause the issue.
BTW, just because of the curiosity I checked and the username/workername are not case-sensitive and accepts underline "_" so you can exclude those as well.