関連ワード:  powershell an unspecified error occurred error code 1789    an unspecified error occurred error code = 1789    get-localgroupmember an unspecified error occurred error code = 1789    get-localgroupmember an unspecified error occurred error code = 1788    error code 1789  
結果 : powershell an unspecified error occurred error code 1789