Windows 8.1 is a very much popular and very easy to use version of Windows Operating System. With the help of this OS, you can download and install many applications and run it to perform various tasks. Sometimes when you try to install Windows 8.1 or when you try to upgrade it, you may get Windows 8.1 installation error 0x80070004 on the computer screen. Mainly the error comes due to incorrect entry of the Windows Keys or you may also get it due to wrong registry entries. You will not be able to update or upgrade the Windows or you won’t be able to run any apps or programs in the computer after the occurring of installation error 0x80070004 in Windows. Therefore, it is very important to fix Windows error code 0x80070004 with the help of some manual or automatic error fixing methods. You can also fix the issue using automatic Advanced System Repair tool in the computer.