1. #1
    Unregistered

    Windows 8 Developer Preview Flashes “ error code 0x80070570” after Expanding Files to 57% during Installation Process?

    One week Ago, I successfully downloaded Windows 8 developer Preview(English) for 32-bits whose size was 2.8GB .I made a bootable USB using this ISO file and Started fresh installation in my system. The installation process was working well but after expanding files to 57%, the process stopped suddenly and flashed and error message “error code 0x80070570” and thus I am unable to complete the installation. Initially i thought that there is some problem with my system so I tried to install the same on my friend’s system but the same error occurred there as well. Then I tried to install it directly using VMWare and Virtual Box but the same error message continued to flash. What should I do now and Why this error is occurring?



  2. #2
    Support Array
    Join Date
    Apr 2012
    Posts
    1,574

    Re: Windows 8 Developer Preview Flashes “ error code 0x80070570” after Expanding Files to 57% during Installation Process?

    “error code 0x80070570” is not a big problem. It occurs mainly due to faulty ISO file. I guess you haven’t downloaded the ISO file from the official site of Microsoft. Not only in windows 8, you can also get this type of error in windows 7 also when some components are missing in your ISO file. So it would be better to download another ISO file and this time from the official website of Microsoft. After downloading the file make sure that the hashes mach with the following:

    Windows 8 Developer Preview English, 32-bit (x86)
    Sha 1 hash – 4E0698BBABE01ED27582C9FC16AD21C4422913CC
    ~Support
    Community Manager

  3. #3
    Aniruddha Array
    Join Date
    Jul 2012
    Posts
    2,178

    Re: Windows 8 Developer Preview Flashes “ error code 0x80070570” after Expanding Files to 57% during Installation Process?

    Hi friend,

    A very simple observation is that downloaded files were fine till the installer reached 57% of the files but there were a fatal error at that file and the software installer was unable to correct that and halted there.
    Now it can`t be corrected.
    Simplest way was to download a fresh copy of the Windows8 D.P once more and surely from the official website of Microsoft and try to install again.
    Watch out for the installation code which is IMPORTANT.
    Thank you.

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