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Hi Sivaprasath P1,
Welcome to Microsoft Q&A!
I know how frustrating it is when Windows won’t even start. The 0xc0000017 error usually indicates that the system can’t access the boot files. The fix is actually shown on your screen here, it's just that you’ll need another PC and a USB drive to carry it out.
1 - Boot into Windows Recovery and run repair
- Refer to: Create installation media for Windows - Microsoft Support
- On a working PC, use a USB with at least 8GB of space
- Download the Windows Media Creation Tool to the USB
- Plug the USB into your laptop > boot from the installation media.
- Select your language, time, and keyboard input method > Next.
- Choose Repair your computer (often bottom left) > Troubleshoot
- Open Advanced options > Startup Repair > follow the instructions.
2 - Rebuild the bootloader manually
- From the same Advanced options section above > Command Prompt.
- Run the following commands one by one:
-
bootrec /fixmbr -
bootrec /fixboot -
bootrec /scanos -
bootrec /rebuildbcd
-
- After it finishes, restart your PC and see if it’s working now.
3 - Check the disk for corruption
- Also in Command Prompt, run the following:
-
chkdsk C: /f /r /x -
dism /online /cleanup-image /restorehealth -
sfc /scannow
-
- If the drive has bad sectors or file system errors, this might help.
Disclaimer: Running chkdsk can check the file system and file system metadata of a volume for logical and physical errors. To avoid any trouble for you, do not cancel or interrupt chkdsk, and back up important data. More information please refer to this chkdsk | Microsoft Learn.
If none of the above works and the boot record is unrecoverable, unfortunately you might need to reinstall Windows. Good luck!
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