Windows 8.1 is now available for download, but although it may seem like anyone can get it, some users are still experiencing major problems during the downloading process.
A number of Windows 8 adopters turned to Microsoft’s Community forums
to report the 0x80070057 error that shows up when Windows 8.1 is ready to launch the installation procedure.
fine, then goes through the checks and goes into ‘Applying Changes’ for about 3 minutes, then it fails giving me error code 0x80070057. I tried the reboot in normal mode suggestion from another post, but it did not help,” one of the users reported.