Yes, this is MSI GT72 6QE1027CZ. Preinstalled Windows 10, 64-bit. Driver Realtec 184.108.40.20645 with Nahimic 1.2.11 or 1.2.13 downloaded from MSI support page. Default (preinstalled) Nahimic driver (and Realtec) has ben uninstalled before. I reinstall Realtec driver (2x auto restart) but Nahimic instalator permanent throw this error (quick: 0x80070643). Windows 10 Home 64 bit, version 1511, build 10583.164.