The domain name "%2" contains characters that are not supported by the language set for non-Unicode programs on this computer. ...

The domain name "%2" contains characters that are not supported by the language set for non-Unicode programs on this computer. The non-supported characters are:

%1

Choose another name (recommended) that contains only the characters A-Z, a-z, 0-9 and hyphen (-), or configure this computer with an appropriate language for non-Unicode programs by using Regional and Language Settings in Control Panel.