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  1. Joined : Aug 2015
    Posts : 5
    windows 7
       28 Aug 2015 #11

    That's exactly what I've been doing throughout this endeavor.
      My System SpecsSystem Spec


  2. Joined : Aug 2015
    Montreal
    Posts : 33
    Windows 10 Pro 64-bit
       28 Aug 2015 #12

    Same error code here during clean install... I did manage to clean install it once this morning, but then broke it with Ubuntu.

    Since then, have tried to clean install Windows 10 numerous times. Always the same error. Hardware is brand new, and since everything worked this morning, I have no reason to believe anything is broken... Hope anybody has any ideas!!
      My System SpecsSystem Spec


  3. Joined : Oct 2015
    Posts : 1
    Windows 10 Pro
       02 Oct 2015 #13

    mrmatteastwood said: View Post
    Same error code here during clean install... I did manage to clean install it once this morning, but then broke it with Ubuntu.

    Since then, have tried to clean install Windows 10 numerous times. Always the same error. Hardware is brand new, and since everything worked this morning, I have no reason to believe anything is broken... Hope anybody has any ideas!!

    This looks strange but I had the same problem and saw on an other forum to replace the RAM stick. I was unsure but at last it worked for me.
      My System SpecsSystem Spec


  4. Joined : Aug 2015
    Montreal
    Posts : 33
    Windows 10 Pro 64-bit
       02 Oct 2015 #14

    Thanks for your response, Starlord! For me, it turned out that the ISO I was burning from was corrupted. I re-downloaded, re-burned and then it worked fine :-)
      My System SpecsSystem Spec


  5. Joined : Jan 2016
    Posts : 1
    Windows 10
       10 Jan 2016 #15

    Wireless USB Mouse Adapter


    The customer was using a wireless mouse from MS and I need to remove the USB homing adapter for the installation to go forward. This is when trying to install Windows 10. I am now trying to install Windows 7 after the adapter removal to see if that work first...thanks to MS licensing.
      My System SpecsSystem Spec


  6. Joined : Mar 2016
    Posts : 1
    Windows 10 Pro x64
       20 Mar 2016 #16

    mattsplanet said: View Post
    I've spent the whole of today and yesterday trying to install windows 10 onto my SSD, it's not partitioned as i have read from various sites that the installation software will you all of that but everytime it get to the step after copying the files over i get the error 0x8007025D and nothing i've found online has worked.
    I had a customer that brought me a PC that the hard drive had crashed on. He had purchased a new hard drive, and wanted me to load Windows 10 on it. Every time I started the install, at the "Getting files ready for installation" step, the PC would pop-up an error with 0x8007025D error. Exact error said:

    “Windows cannot install required files. The file may be corrupt or missing. Make sure all files for installation are available, and restart the installation. Error code: 0x80070570.”
    I spent the better part of the day troubleshooting until I narrowed it down to bad memory modules. I changed out the RAM and it installed without a hitch.

    I know this is an old post, but I wanted to share my experience in hopes that it may help someone else.

    I reached this solution after deciding to try installing Windows 7 instead of 10 (that is what the original hard drive was running) and that install crashed with the same error. I dug through Internet forums and found all sorts of suggestions to fix this issue - everything from reformatting/replacing the hard drive (this was a brand new 2TB hard drive, and I had tried two other known good hard drives) to updating the BIOS (already done).

    I finally stumbled on a site that suggested this error is caused by a memory misconfiguration, and suggested leaving only one stick of RAM in the first slot on the motherboard and trying again. Since I had extra memory on-hand, I just replaced both memory modules and tried again, and I was able to install Windows 10 without issue.
      My System SpecsSystem Spec


  7. Joined : Apr 2016
    Posts : 1
    Windows 7
       25 Apr 2016 #17

    My usb was corrupted. Creating it again finally solved the pb for me


    I had the same error code 0x8007025D.

    I have removed all optional devices (mouse, DVD, one of the 2 RAM) but the problem was still there : same error code after 29% of installation.

    I finally created again the win 10 usb installation from another computer and tried again, and it worked.

    (Maybe removing all optional devices was not required... I can't say, but for information, I had them all removed during the install.)

    youhou.
      My System SpecsSystem Spec


  8. Joined : Jun 2016
    Posts : 1
    win7
       22 Jun 2016 #18

    Really????


    I've been a software professional (now retired) since 1975. I have installed VAX/VMS, Ultrix, Unix, Linux, OS/400, and various other operating systems and complex software packages. I have also been working with Microsoft products since DOS 4.11. Nothing has given me as many problems as Microsoft products. I have NEVER had a so-called upgrade work without doing a clean install, and even then, it's rare that there wasn't some grief involved. Disassemble my machine to install their bloody "upgrade"? Not likely! As it is I've wasted a week on this POS, and wound up having to reinstall Win 7, after reformatting my main drive. Now, having that damned "upgrade to Win 10 icon in my tray just adds insult to injury. For the record, I tried the automatic upgrade method, the USB method, and burned an ISO image to disk. Were it not for a substantial investment in critical application software I would simply move to Ubuntu (Linux), so I'm doing the next best thing: I'll keep this machine, with Win7 for running my essential applications, and build a new Linux system for all other use. I absolutely refuse to send another dollar to a company with such a dismal record of customer 'service'. Maybe MS thinks they're too big to fail, but as far as I'm concerned, they're just too indifferent to support.

    Ztruker said: View Post
    If you are doing a clean install, what is currently installed on your computer doesn't matter since you will be formatting the boot drive.

    See here: Windows 10 - Clean Install

    For best (and safest) results, disconnect any other hard drives during the install. Reconnect after the install has completed.
    Also disconnect everything from the computer except mouse, keyboard and display, EVERYTHING!!!
      My System SpecsSystem Spec


  9. Joined : Jul 2016
    Posts : 2
    Windows 10
       17 Jul 2016 #19

    I believe I have solved the problem.


    I believe I have solved the problem. I attempted a fresh installation of Windows 10 on to my brand new "OCZ Trion 150 480 GB SSD". This resulted in the error, "Windows cannot install required files. Make sure all the files required for installation are available, and restart the installation. Error Code: 0x8007025D".

    After reading many FORUMS, this one included and trying all the various suggestions, nothing worked!

    I borrowed my son's Kingston Hyper X 250 (125 GB SSD), and ran a successful installation with no errors. This PROVED that my installation media which I created using Microsoft's media creation tool was just FINE. It also proved that nothing was wrong with my hardware. I suspected that maybe it was a bad SSD that I had. So I went out and bought a brand new "Corsair Force LE 480GB SSD". I ran an installation, this resulted in the error, "Windows cannot install required files. Make sure all the files required for installation are available, and restart the installation. Error Code: 0x8007025D".

    So could I possibly have TWO BAD SSD units? No, not at all... I remembered that my son's SSD was a small volume 125GB drive. So on a hunch I did the following:


    • So I placed my SSD (Corsair) in an external enclosure, connected it to my laptop, formatted (not Quick Format, but Full Format).
    • I then created two partitions, Vol1 (125GB - primary) and Vol2 (355GB).
    • I then opened DISKPART and did a CLEAN and then I CONVERTED the volume to MBR from GPT.
    • Next I mounted the SSD back in to my PC.
    • I Reset my BIOS to Factory Defaults just to be safe.
    • I Ran the installation on the 125GB partition.
    • WINDOWS 10 installed just fine.


    So this means that neither of my SSDs were bad, it means Windows 10 FREAKS OUT when installing fresh on large volume SSDs. Possibly anything over 250 GB.

    Good luck!

    FYI... How to do DISKPART

    1. Type Diskpart, press Enter
    2. Type List Disk , press Enter
    3. Type Select Disk # (where # is the number your drive shows up as), press Enter
    4. Type Clean, press Enter
    5. Type Convert MBR, press Enter
    6. Type Exit, press Enter.
      My System SpecsSystem Spec


  10. Joined : Jul 2016
    Posts : 1
    7.1 home premium
       19 Jul 2016 #20

    Error Code: 0x8007025D solved for me very simply, eventually.


    Installing from USB, I was given 2 options, I chose Windows 10 PRO. It failed quite quickly with Error Code: 0x8007025D.
    After much endeavour, unable to go back to Win7 Home Premium. (Bootmgr missing) , I tried again and chose Windows Home.
    I did not know at the time that this was my only option.
    It now appears to have installed correctly, I am at "Getting ready"
    Thanks for all the tips and advice given on here.

      My System SpecsSystem Spec


 
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