Hi Kyungsuk15
Welcome to Microsoft Community :)
It's my pleasure to help you today. I’m sorry you’ve had to deal with this. I know how frustrating this may be for you. I'll do my best to help you :)
To resolve this issue, install the .NET Framework 4. The following file is available for download from the Microsoft Download Center:
Download the .NET Framework 4 package now.
https://www.microsoft.com/en-us/download/detail...
For more information about how to download Microsoft support files, see: How to obtain Microsoft support files from online services (
https://support.microsoft.com/en-gb/help/119591...)
source:
https://docs.microsoft.com/en-us/troubleshoot/s...
I hope it helps :)
Sincerely,
Juliet
Independent Advisor