The surrogate pair (0xD835, 0x41) is invalid. A high surrogate character (0xD800 - 0xDBFF) must always be paired with a low surrogate character (0xDC00 - 0xDFFF). System.ArgumentException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 System.Xml -2147024809 Trados Studio Studio16 16.2.12.9338 Microsoft Windows 10 Home NULL 1044 1252 THE-NATTOP\Nathanael 4.0.30319.42000 THE-NATTOP True 16732904 MB