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

⌛Time it takes to read this article: 3 minutesI 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

⌛Time it takes to read this article: < 1 minutesSince 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).

Anti-SPAM measures

⌛Time it takes to read this article: < 1 minutesDue to the inadequacy of security measures on this site, a huge amount of SAPM posts were sent daily from spam robots to blogs and contact forms, so we were attacked, so we took measures today.