![How to Fix Sysprep was not able to validate your Windows installation". - wintips.org - Windows Tips & How-tos How to Fix Sysprep was not able to validate your Windows installation". - wintips.org - Windows Tips & How-tos](https://www.wintips.org/wp-content/uploads/2015/12/image_thumb.png.webp)
How to Fix Sysprep was not able to validate your Windows installation". - wintips.org - Windows Tips & How-tos
![Sysprep was not able to validate your Windows installation. Review the log file at %WINDIR%\System32\Panther\setupact.log for details. After resolving the issue, use Sysprep to validate your installation again. Sysprep was not able to validate your Windows installation. Review the log file at %WINDIR%\System32\Panther\setupact.log for details. After resolving the issue, use Sysprep to validate your installation again.](https://1.bp.blogspot.com/-zx0vJem97eg/XlRkm3TTWeI/AAAAAAAABn4/0mxigb_i6gMWXS0S8pKH_UrRaZzvnvlNwCLcBGAsYHQ/w1200-h630-p-k-no-nu/Sysprep.png)
Sysprep was not able to validate your Windows installation. Review the log file at %WINDIR%\System32\Panther\setupact.log for details. After resolving the issue, use Sysprep to validate your installation again.
![SOLVED: Cannot Sysprep Windows 10: Failed while validating SysprepSession actions; dwRet = 0x139f | Up & Running Technologies, Tech How To's SOLVED: Cannot Sysprep Windows 10: Failed while validating SysprepSession actions; dwRet = 0x139f | Up & Running Technologies, Tech How To's](http://www.urtech.ca/wp-content/uploads/2015/11/windows-10-sysprep-failed-cannot-validate-windows-installation.png)
SOLVED: Cannot Sysprep Windows 10: Failed while validating SysprepSession actions; dwRet = 0x139f | Up & Running Technologies, Tech How To's
![How to Fix Sysprep was not able to validate your Windows installation". - wintips.org - Windows Tips & How-tos How to Fix Sysprep was not able to validate your Windows installation". - wintips.org - Windows Tips & How-tos](https://www.wintips.org/wp-content/uploads/2015/12/image_thumb2.png)
How to Fix Sysprep was not able to validate your Windows installation". - wintips.org - Windows Tips & How-tos
![Installation of Acronis True Image OEM System Builder fails with "Sysprep was not able to validate your Windows installation" | Knowledge Base Installation of Acronis True Image OEM System Builder fails with "Sysprep was not able to validate your Windows installation" | Knowledge Base](https://kb.acronis.com/system/files/content/2022/12/add/workaround1.png)