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Windows 7: 0x80070570 Error Code on install - One Easy Solution

09 Nov 2010   #11

Win7 Ultimate 32 bit

Error message: "Windows cannot install required files error 0x80070570
The file may be corrupt or missing.. Make sure all files required for installation are available and restart installation."

Got this messge repeatedly while trying to do a clean install on my ThinkPad T-61. Reading this forum suggested a RAM problem, so I removed 1-2GB RAM chip from the machine, leaving 1-2GB chip installed. Win7 loaded flawlessly after that. Thank you folks so much!

My System SpecsSystem Spec
02 Oct 2011   #12

Windows 7 Ultimate x64

OK I got this too with my setup:

CPU - AMD Phenom II X4 850 3.3 Ghz True Quad-Core Design, 2MB Total Cache
Motherboard - ASUS M5A88-V EVO
Memory - Corsair 2x4G = 8G XMS3 DDR3
Graphics - GeForce GTX 460
Sound Card - On Board
Hard Drive - 2 x 1TB Seagate Barracuda 7200 RPF, 32 MB Cache
Z Case
3 Raidmax Fans

I tried to install from SATA DVD drive, but got the missing driver message.
Reconnected IDE drive and waited for it to install.
Then got this "Cannot install required files" error.
I tried the 2 reboots and it did NOT work.
I removed 1 of the 4G memory chips, leaving 4G and that apparently did the trick!

Thx for the ideas.
My System SpecsSystem Spec
27 May 2012   #13

7 64
Reinstall until it works!

I had this problem too all I needed to do was keep trying to install. It keeps loading a little more each time and finally works
My System SpecsSystem Spec

27 May 2012   #14
Microsoft MVP


This is a standard installation issue for which you remove all but 2gb RAM to try install.

If that's insufficient: Swap RAM, test RAM - Test with Memtest86+ testing sticks and slots, check slots for debris.

Other steps for Overcoming Windows 7 Installation Failures - Windows 7 Help Forums
My System SpecsSystem Spec
22 Nov 2012   #15

Win7 Professional x64
A fix for me - hopefully for some of you too

When I had the 0x80070570, I managed to get through the expanding windows files by changing the harddrive mode from AHCI to IDE. I don't know why this works, but you should try it. Needless to say, I was greatly relieved. Only now I'm stuck at the reboot problem. Lovely.

My System SpecsSystem Spec
10 Jan 2013   #16

Windows XP 32 bit
To Crazy B

Your easy solution worked perfectly for us and of course, was easy! Thank you for saving us hours trying to get Windows 7 on our computer. :) It's up and running great!
My System SpecsSystem Spec
25 Jan 2013   #17

XP 32 Bit

Thaks a lot. I took one 2 gig Ram chip. It is loading now fine. Saved me lot of time.
My System SpecsSystem Spec
09 May 2013   #18

Windows 8

let me throw in some ashes to the problem:
when installing the 32-bit version on win7 home premium i get no errors. when trying to install the 64 bit verion, i get these percent errors.

anyway, with the easy install i was able to not so easy install windows 7.
thanks op!

although i should have mentioned that i did restart the computer. was just a matter of 'forcing' windows to install. tried without restarting and restarting. working now. cheers
My System SpecsSystem Spec
30 Sep 2014   #19

Windows 7 All versions

I don't have an issue installing the X64 version but x86 versions gives me this problem (from a bootable USB)
My System SpecsSystem Spec
21 Jun 2015   #20

Windows 7 32-bit, was XP
Win 7 error code solved

Well solved for me at least. Someone suggested removing all RAM, except for one (I have 4) and try downloading Windows 7 again and it worked! Don't know why? It always got hung up at 17%, then I removed all 4 RAM, reinstalled 1 RAM in one slot (dual processor made to be a single) and it took instantly. I figure that the CPU (Pentium 4) has to deal with 4-RAM segments while downloading (via CD-ROM) a lot of data and just crashes. Anyways, thank you you saved me from trashing my computer, because I was at wits end. I tried everything up to this point. Upgraded from XP on a clean HD (no OS on it).
My System SpecsSystem Spec

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