When right-clicking on "Server Security | Logins" in the Object Explorer, and selecting "Create Login". If one clicks on the three dots botton "..." next to the "Name" input, to open the "Select User or Group" window, one is able to "Check Names" in the "Entire Directory", and select a user, but, when click "OK" once the user is been selected, the error "Toad for SQL Server has stopped working" comes up and Toad closes