Windows OS is one of the most useful and the most popular operating systems in the world. You can access so many applications and programs on Windows computer to complete your technical knowledge. Sometimes when you try to install Windows 8.1 on the computer using DVD or with an USB flash drive, you will get Windows 8.1 installation error 0xc1900104. It may happen mainly due to the incompatibility of the USB with the Windows or you may also get this error due to registry problem or incorrect key combinations. In this situation, you should fix Windows error code 0xc1900104 using some manual or automatic error fixing methods. You can fix the issue automatically using Advanced System Repair tool in the computer.