The computer name "%1" contains one or more non-standard characters. Standard characters include letters (A-Z, a-z), digits ...

The computer name "%1" contains one or more non-standard characters. Standard characters include letters (A-Z, a-z), digits (0-9), and hyphens (-). Using a non-standard name will prevent other users from finding your computer on the network, unless your network is using the Microsoft DNS Server.