This is a Windows Update error.
After installing for 2%, this error starts appearing.
Generally, there are several ways of doing this 1607 update.
it’s possible for you to use theWindows Update program, like in Windows 7.
Otherwise, you’re able to also use the Media Creation Tool.
you might download this software from Microsoft website.
How to Fix Windows Error Code 80070057 during Anniversary Upgrade?
The following simple fix may work in your favor.
Then the Windows 10 Upgrade Assistant tool will successfully complete the Anniversary (1607) update without any flaws.
This is because, you will be disconnected during the downloading and installation process.
Otherwise, you’re able to also unplug the wire that goes to your router or modem.
Yet another fix to this error code is to use the Media Creation Tool.
Then you’re able to do a clean install keeping the configs and Apps.
Sometimes there can be a conflict with the Windows Defender mechanism which tries to update and fail as well.
But beware, that you dont use any Internet operations during this period.
it’s possible for you to try, if that fixes the error code in Windows 10.
Then you could do the above process to fix the Anniversary Upgrade error.
To do this, first visit the above page.
If you have the ISO file of 1607 update, you might launch the below Upgrade Assistant file.
https://support.microsoft.com/en-us/help/12387/windows-10-update-history?ocid=update_setting_client
The current file name of this Upgrade Assistant is Windows10Upgrade28084.exe.
Conclusion
The main conflict causing this problem is the internet connection.
So, since the upgrade takes around 30 minutes to complete, repeated failures can frustrate you.
This should fix the problem.
like let me know if you could solve this error in Windows 10!!
What was the previous situation or state your Windows 10 computer was, when this error code 80070057 appeared?
Also, what other trouble-shooting steps you tried.
