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Windows 7 upgrade error code 0x80070570

bestboss asked
Last Modified: 2012-05-08
Hi, Im a Tech working in WA. I have been upgrading some of our new PC's from Vista to Win7.
This machine that this error code 0x80070570 has come up on is running Vista Bus. 32Bit OS. and it is brand spankin new.
I came across this error and have not been able to find a solution.
It happens during the upgrade after Expanding Windows Files and stops saying it cant find some files and error code: 0x80070570.
I have tried using a couple of different Win 7 upgrade disks and have tried using a full Win 7 OEM disk just in case I had some bad media, but no joy.
I am at a loss to see what can be causing this particular error, and there is no real help on any of the microsoft web sites or any other sites on the Net.
Any assistance or suggestions will be most appreciated.
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Top Expert 2010

maybe faulty RAM ....check.
Top Expert 2010

try also to reset the BIOS....

This error is due to insufficient space, please make sure you have sufficient space on the root drive.

Make sure you're not installing to a recovery or system partition, or some other hidden partition. Use a partitioning tool like Partition Magic to look for these.

You can also remove all partitions during installation, but this might not clean out all hidden partitions.


Hi guys thanks for the replies!
I did read before hand the thread "http://www.sevenforums.com/installation-setup/5318-win7-install-error-0x80070570.html" thanks.
Also there is no extra partitions and plenty of HDD Space on this machine. It has just been pulled out of the packaging for the first time and gone through the Vista setup and it also has just been activated.


This is the full error:  Windows cannot install required files. The file may be corrupt or missing. Make sure all files required for installation are available, and restart the installation. Error code: 0x80070570

Try this, If you are 100% sure that it is not corrupted media then you can load Vista and then install Seven from inside Vista but in another partition (not the upgrade option but the custom option).

Also check this thread where some people manage to solve this issue: http://social.technet.microsoft.com/Forums/en/w7itproinstall/thread/b2058551-c929-4a12-99eb-f9ae2966a5d1



Faraz H. Khan

Did you check for the hidden partitions using one of the special tools, Partition Magic, Acronis, etc, or just from Windows? Using the latter you won't see the hidden partition(s).
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To be complete, could you give us the make and model of the DVD drive?

i have tried everything you said
still no luck
the thing is . i already lost my OS and i am now talking to you from a cyper caffee :(
please any help ?


The exact DVD drive that is "Optiarc DVD RW AD-7200S"

can anybody paste a working download links which its MD5 match the one posted in MSDN website ?


              can you explain further what you want and what you are trying to do as your comments dont explain much for me to     understand your issue.

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