I uninstalled McAfee and installed ESET Internet Security, but I got a problem that outlook mail could not be opened [memorandum until resolution]

I uninstalled the security software McAfee and installed ESET Internet Security, but a problem occurred where I could no longer open emails in Outlook.
In this article, we will explain the process that led to the resolution and also explain ESET.

Introducing reCAPTCHA v3

Since the end of December last year, we have been implementing "google reCAPTCHA v3", the latest version of the BOT removal tool provided by Google (released on October 29, 2018), in all comment forms on this website. As a result, when used in conjunction with the anti-SPAM WordPress plugin ``Akismet'', almost all SPAM posts from BOTs are automatically excluded (it is also possible to deselect posts).