ダウンロードページは 4.4.5
5/16 追記
EPSON Software Updater 4.4.6 はダウンロードページ URL 変更
https://www.epson.jp/dl_soft/readme/25895.htm
Some devices may hang or freeze when using certain apps, such as “Hey Cortana” or Chrome, after installing the Windows 10 April 2018 Update - Microsoft Community
Microsoft is working on a solution with the goal of including it in the next regular monthly update, currently targeted for a release date of May 8, 2018.
Cortana さん使っていないから“Hey Cortana”は知らないけど、Google Chrome は我が家では問題なさそう
カスペルスキー インターネット セキュリティ 18.0.0.405(h)
Kaspersky Internet Security 2018 release notes
Patch H is installed automatically with the database update for Kaspersky Internet Security 2018 version 18.0.0.405 and adds the following: