Hello AbhayRao1,
I’d be happy to assist you today.
I'm sorry to hear about your problem.
First, kindly do system restore. It lets you restore your Windows installation back to its last working state. Refer to this link: https://www.windowscentral.com/how-use-system-r...
Second, kindly do a repair install. A repair Install keeps everything and reinstall Windows. Refer to this link:
https://www.yourwindowsguide.com/2016/06/how-to...
https://www.tenforums.com/tutorials/16397-repai...
I hope this helps. Please let me know if you have any further questions.
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