If you are upgrading from a previous version of Windows or a former Windows 10 build, a typical blocker for Windows setup is security utilities.
Disable them; these include Antivirus, Anti Spyware, and Firewall utilities.
A common and befuddling problem with computers is the sudden and seemingly inexplicable disappearance of an external hard drive that has been functioning properly. Then you can rule out physical damage that requires repair with specialized tools in a controlled environment. In order to repair the most common problems that cause an external disk to suddenly become RAW we will use Test Disk.
It can be a breathtaking experience to suddenly be told that your data, often irreplaceable pictures and documents, might be gone forever. For specifics, the hard drive’s technical documentation must be consulted. Download Testdisk Disk_Download and run Select Intel and hit enter (there is a slight chance that the partition is EFI GPT if the drive is 2TB or greater in size and at the bottom of this screen it says that Hint: EFI GPT was detected.
As with many similar situations in life the appropriate response is “Don’t panic”. Sometimes that information is difficult to come by and can be proprietary. If that is the case, select EFI GPT instead and try that.) Press Q to go back a screen and then press enter to get to this screen.
When approached sensibly and carefully, the situation can be resolved and the data saved more times than not. For example, the formulas for how some manufacturers calculate normalized values for attributes can be very difficult to find. Select WRITE and press enter in order to write our new partition table to the drive.
A RAW filesystem simply means that it is a filesystem that is not recognized by Windows. DATA AND CALCULATE VALUES AND TOLERANCES DIFFERENTLY. When this is the case Test Disk will stop at this point and ask you to fix it before it finishes writing the new partition table.
Therefore all the available filesystem drivers are unable to mount the filesystem as a drive. If the backup boot sector is good (as in this case) simply choose BACKUP BS and press enter.
Also check the hidden updates by clicking on "Restore hidden updates" link given in left sidebar.Sometimes you may also receive error message with 0x80240031 error code. 5 /10 computers in which I tried to upgrade Windows 8 to Windows 8.1 through Store.After some troubleshooting, I was able to find the culprit. None of those computers were having all Windows updates installed.There were a few updates pending for download/install in those Windows 8 computers which was causing this error message.So if you are also facing this problem, the solution is: Open Windows Update and check for new updates.If you find any hidden update, install it immediately.