After multiple tries, the operating system on your PC failed to start, so it needs to be repaired,

[Rohitk2501]

Your PC couldn't start properly

After multiple tries, the operating system on your PC failed to start, so it needs to be repaired.

Error code: 0xc0000001

You need to use recovery tools. If you  don't have any installation media files (Like a disc or USB device ),

Contact your PC administrator or PC/Device manufacturer.

Choose one of the options..

-ESc for recovery

-f8 to start up settings

-Press Esc for UEFI firmware settings

[WAWood]

@Rohitk2501 

This error code means that Windows has been corrupted so badly that it will not run.

This issue is often due to a failing drive. So, let's check that first, because if it is failing, it would need to be replaced and there is no point then in doing anything else until we confirm that.

If your PC is new enough to support UEFI, you can use these steps to test the hard drive: http://support.hp.com/us-en/document/c00439024

If not, to check the drive you have to follow these steps:
1) Press Esc key repeatedly, several times a second, while rebooting the laptop. Do NOT hold the key down, just press it over and over.
2) Eventually, you will see an HP Startup Menu
3) Press the Function key for testing the hard drive (usually F2) and let it run.
If the drive checks out OK, then report that and I can provide you options for reinstalling Windows on your PC.