Fix “The drive where windows is installed is locked” in Windows 8.1, Windows 10

Method one:

1. Place the Windows 8.1 or Windows 10 installation media inside the PC either a USB or a DVD.
2. Reboot the Windows 8.1 or Windows 10 device.
3. On the startup screen of windows you will be asked to boot from the DVD or USB stick and you should do so.
4. You will get to a Windows setup screen and you will need to left click or tap on the “Next” button.
5. In the next window you will need to left click or tap on the “Repair your computer” feature.
6. Now you should be in the “Advanced startup options” window.
7. Left click or tap on the “Advanced boot options” feature.
8. Left click or tap on the “Troubleshoot” feature.
9. Left click or tap on the “Advanced options” feature.
10. Left click or tap on the “Command prompt” option.
11. Now after you have the command prompt window in front of the screen you will need to write the following line: “chkdsk /f C:”
    Note: If you’re Windows 8.1 or Windows 10 device is installed on another partition then the “C:” drive please copy the necessary drive in the command above.
12. Press the “Enter” button on the keyboard for the check to start.
13. After this operations is finished please reboot the Windows 8.1 or Windows 10 device and check to see if you get the same error message.

Method two:

1. Open the command prompt window as you did in the first method.
2. Write the following command in the command prompt window: “sfc /scannow”.
3. Press the “Enter” button on the keyboard.
4. Let the scan finish and fix any potential errors.
5. Reboot your Windows 8.1 or Windows 10 device again and check if you have the same error message.

Method three:

1. Go to the “Troubleshoot” feature in Windows as you did in the first method.
2. Left click or tap on the “Advanced options” menu.
3. Left click or tap on the “Automatic repair” option.
4. Left click or tap on the “Command prompt” option.
5. In the command prompt window you will need to write: “bootrec /RebuildBcd”.
6. Press the “Enter” button on the keyboard.
7. Write in the command prompt: “ bootrec /fixMbr”
8. Press the “Enter” button on the keyboard.
9. Write in the command prompt: “bootrec /fixboot”
10. Press the “Enter” button on the keyboard.
11. Write in the command prompt: “Exit”
12. Press the “Enter” button on the keyboard.
13. Reboot your Windows 8.1 or Windows 10 operating system.
14. See if you still get the same error message after doing this method.