Hi Shaukhin,
I'm Christine, an independent advisor and a Windows user like you. I'll be more than happy to assist you today!
I can see here that you are seeing an exclamation mark on your C drive. This notification occurs to remind you to check your hard drive and make sure that it's safe or secured with Bitlocker. You can fix this by following the steps from this link:
https://answers.microsoft.com/en-us/windows/for...
Please let me know the result. I'll be happy to assist you all the way until it's resolved.
Thank you,
Christine L
Independent Advisor