Hi @Trường Mai ,
Welcome to Microsoft Q&A!
Please check for Windows Update and ensure that all pending and recommended updates are installed.
Then, try to remove the folder: C:\Program Files (x86)\Microsoft Visual Studio\Installer. Then, re-download the bootstrapper file from the following Microsoft Site and run it as administrator.
https://visualstudio.microsoft.com/downloads/
Sincerely,
Anna
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