How To Fix Windows 11/10 Installation Error 0x800f0955 – 0x20003
How To Fix Windows 11/10 Installation Error 0x800f0955 – 0x20003
When you try to perform an in-place upgrade repair of your Windows 11 or Windows 10 installation or upgrade to Windows 11 from Windows 10/8.1/8/7 using the ISO, you may encounter the upgrade error code 0x800F0955 – 0x20003. This tutorial is intended to help affected PC users with the most suitable solutions you can apply to fix this error.
Issues addressed in this tutorial:
installation error 0x800f0955
Windows 11 Setup
We couldn’t install Windows 11
We’ve set your PC back to the way it was right before you started installing Windows 11.
0x800F0955 – 0x20003
The installation failed in the SAFE_OS phase with an error during INSTALL_UPDATES operation
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei , Microsoft Surface, and Samsung.