Windows 10: failing to upgrade win 10 to win 11: windows 11 installation has failed

howdy good people,i am trying to update my pc to win 11, and whatever i try i have no luck...each and every time i get: "windows 11 installation has failed"windows 11 version is latest available using mediacreationtool.exeTPM 2.0 enabledSecure boot enabledEnough of space on system driveSystem information:OS Name Microsoft Windows 10 Pro Version 10.0.19045 Build 19045 Other OS Description Not Available OS Manufacturer Microsoft Corporation System Name XYZSystem Manufacturer System manufacturer System Model System Product Name System Type x64-based PC System SKU SKU Processor IntelR CoreTM

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Upgrade Win 10 to Win 11 failed

Have PC with 4 partition managed by EasyBCD,

1. Boot partition (500M, active partition)

2. Win 7 (140G)

3. Win 10 (120G, my production machine, boot by default)

4. Win 7 (140G, play partition)

Recently try to upgrade partition 3 to Win 11. Upgrade steps seem to work smoothly until it reach 100%.

Then I get message "PC will restart in few moments"

Then I get "Win11 installation has failed"

I check the srttraic.txt file and found the folloing:

"Root cause found: No OS files found on disk

Repair action: Partition table repair

Result: Failed error code 0X20"

However, I seem to have no problem to boot my Win10 without error even the installation has failed.

Some trouble shooting from my side.

1. I am able to boot Win 7 or Win 7 (play partition) if I use a disk manager to set these partition to active.

2. I am not able to do so if I set Win 10 partition as active, I have to set the 500M boot partition and select Win 10 from boot menu.

3. I boot Win 10 installation disk from USB and try to repair my Win10 partition, but repair failed.

4. I backup the whole disk, set Win 7 partition as active, I can upgrade this partition from Win 7 to Win 10 and to Win 11.

5. Si I believe my PC hardware is no problem to support Win 11.

How can I recover my Win 10 partition without loosing my application so It can be boot without the boot partition?

 

Purchased a upgrade win 11 but failed installing

I purchased a upgrade from win 11 Home to win 11 Pro but it failed to install many time on Microsoft Store. I requested the refund but got denied from microsoft. Could you send me the upgrade product key so that I can upgrade by changing the Activation code?

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Upgrade Win 10 to Win 11 failed

This is not true.

I backup my disk and set my win 7 partition to active. I am able to boot to win 7, and subsequently upgrade the win 7 partition to win 10 follow by a upgrade to win 11.

I then set my 500M boot partition to active. I am able to select boot from win11, win10 and win7 play partition.

All without change to BIOS to secure boot or UEFI. But my applications is mainly on win10 partition, which fails to upgrade to win11. I would still like to know why it fails only on my win10 partition and not win7 partition.

Will try to issue the BCDedit command and post here at next chance.