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Windows 7: Error while downgrading windows 8.1 to windows 7 [0x80070057]

14 Jul 2014   #1

Windows 7 Home Premium 64 bit
Error while downgrading windows 8.1 to windows 7 [0x80070057]

Hello, i have a custom built pc with an MSI motherboard and a western digital 500gb hard drive. My pc's bios is in cmos setup. The layout of the bios (ui) is alot different from other uefi but standered to usual custom builds. I also bought a legit microsoft copy of windows 7 home premium 64bit for oem builders. The error i am having is during the installation process. I found that there was no security in my bios for secure boot so thats not the case. I booted my pc via cd drive. It started up with no errors. I Deleted all the partitions from windows 8/8.1 during win7 installation and started from a fresh unallocated partition. I made a new system partiton with the 100mb and here comes the error. Whether I click next or format the primary partition drive. It gives me that error saying that it cant format the selected partition [0x80070057]. I even deleted and recreated the partions but nothing. I have gotten it to install almost all the way through a couple of days ago. The computer reset and then booted up and said that the registry was not found or created. Thats as far as i have been in the installation process. Any knowledge or help is appreciated thanks.

My System SpecsSystem Spec
14 Jul 2014   #2
Microsoft MVP


Work through the steps for Overcoming Windows 7 Installation Failures - Windows 7 Help Forums.

If all fails report back exact failure error, step number and behavior. Let us also see the exact settings choices for UEFI, Legacy BIOS, CSM and Legacy Boot on all of your BIOS Setup Tabs.
My System SpecsSystem Spec

 Error while downgrading windows 8.1 to windows 7 [0x80070057]

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