I have a user with the name "-" in GMS 2.01 with the status of Disabled. He is impossibnle to remove and dont exist in GW 2012sp1. How could I remove that left over ?Click image for larger version. 

Name:	Strange user disabled unable to remove GMS 2.01 build 53.jpg 
Views:	35 
Size:	39.7 KB 
ID:	5193