When upgrading to Windows 10, it may very well happen on your PC, the installation process is stopped by the following error: Error 0xC1900101 - 0x20004
This error occurs with the following error description for the update to Windows 10:
"The installation was not successful. In the phase SAFE_OS An error occurred during the process INSTALL_RECOVERY_ENVIRONMENT."
This enables the new Windows 10 operating system not installed. That's why we want you here explaining various tips that should help you in this 10 despite the error 0xC1900101 Windows - install 0x20004. If so, proceed please as follows:
Tips to resolve the error 0xC1900101 - 0x20004:
1. Remove the virus scanner
First, you should completely remove them from your PC to the currently installed virus scanner. This prevents namely under certain circumstances, the installation of Windows 10 by the above-gennante error message.
2. Removing SATA devices via the mainboard
Couples all devices that are connected to your computer via SATA cable completely. This approach helps to problems with drivers during the installation of Windows to bypass 10. These include, for example, the DVD drive, or additional hard drives that are not required for installation. There should be as few devices as possible connected to your computer during the upgrade. That's why even the next tip.
3. Remove all USB devices that are not needed
Removes now also all USB devices from your PC, which are not required for installing Windows 10. At the end only the mouse and keyboard should be connected to the PC.
If you now try again to start 10 to install Windows on your PC, then should the error 0xC1900101 - 0x20004: no longer appear on your computer screen.