Get assistance with Windows 10 upgrade and installation issues?
Here is a free Microsoft Windows Support guide for you to help you quickly to repair your window issues. There are several reasons why you may receive an error notification when you are upgrading or installing Windows 10, but standard errors can resolve with a few steps by Microsoft Windows Support , that you can do yourself. 0xC1900101 Errors: An error that arises with 0xC1900101 is a driver issue. If you view such these error codes, try the following steps first to resolve the issue. If these steps don’t work correctly, Then see the fix Windows 10 upgrade errors for more specific technical information. 0xC1900101 - 0x20004 0xC1900101 - 0x2000c 0xC1900101 - 0x20017 0xC1900101 - 0x30018 0xC1900101 - 0x3000D 0xC1900101 - 0x4000D 0xC1900101 - 0x40017 1. Be sure that your system has sufficient space: Your process requires at least 16 GB of free space to upgrade a 32-bit OS or 20 GB for a 64-bit OS. For more details, see Free up drive space on Windows