I'm not honorable ProfPieHunter, but I have exactly the same problem:
0x80070057 - 0x20003
The installation failed in the SAFE_OS phase with an error during INSTALL_UPDATES operation.
I have tried to install build 29671 and found out that the issue is still not fixed.
0x80070057 - 0x20003
The installation failed in the SAFE_OS phase with an error during INSTALL_UPDATES operation.
I have tried to install build 29671 and found out that the issue is still not fixed.