Hi DevalapalliTejeshwar-
I'm Kevin B. Independent advisor and a Windows user like you. Thank you for sharing your concern. Let me help you sort things out.
Perform system restore
-This process will take your computer settings back to an earlier point in time where computer is working fine. If there's any changes made on your computer that removes the service, system restore should be able to fix the issue for you.
Windows will going to restart your computer to initiate system restore. System restore might take several minutes to complete depending on the current speed of your computer and the changes it will made. Applications and updates that was installed on the computer prior to the date selected will be removed. It is important that when system restore starts, process must not be interrupted.
DISCLAIMER:
System Restore is a recovery tool for Windows that allows you to reverse certain kinds of changes made to the operating system. System Restore is used to return important Windows files and settings—like drivers, registry keys, system files, installed programs, and more—back to previous versions and settings. Being said all applications and changes made prior to the date selected will be removed and needs to be re-installed if its needed.
Please let me know if you have any further questions. If you have a moment, it would be greatly appreciated if you would rate my assistance in handling your ticket and have a great day!
Cheers!
Kevin B.
Independent advisor