Your PC needs to be repaired error on Windows 10
Your PC needs to be repaired

This error is received when a critical system file is missing or has become corrupted. It could also happen, when the Boot Configuration file BCD is missing some required information or has become corrupted. You can even see this message when you are upgrading to a higher version of Windows. The error codes mentioned, could vary from 0x0000098, 0xc000000f, 0xc0000034, 0xc0000225, 0xc000014C, etc. You can use the error code to find out the reason your computer will not work.

For instance here are what some of the the error codes stand for:
  • 0xc000000f – An error occurred while attempting to read the boot configuration data
  • 0xc000014C – The Boot configuration data for your PC is missing or contains errors
  • 0xc0000225 – Boot selection failed because a required device is inaccessible
  • 0x0000098, 0xc0000034 – Boot Configuration Data file missing required information or does not contain a valid OS entry.

The error message will usually include the suggestion that you will need to use the recovery tools on your installation media like DVD or USB to repair and recover your Windows installation.
(Hopefully this error isn't due to a flaky/dying/dead hard drive).

You can use Windows 10 installation media to attempt to "Repair your computer". On a working PC, go to the Microsoft software download website and create Windows 10 installation media on DVD or USB. Insert the installation media you created, and then restart your PC. On the Install Windows screen, select Repair your computer. (If you’re not seeing this screen, your PC might not be set up to boot from the drive containing your installation media. Check your PC manufacturer's website for info on how to change your PC's boot order, and then try again). More info here: Windows.Microsoft.com > Recovery options in Windows 10