That could happen because of disk write errors, power outages, boot sector viruses, or errors made while configuring the BCD manually. Restart your computer and you’ll see a message to press any key to skip disk checking. Obviously, don’t press

Right-click the Attributes DWORD and select Modify from its context menu. Right-click Attributes on the right of the window and select Modify to open the Edit DWORD window. Enter ‘sfc /scannow’ and press the Return key to initiate a scan.