A new Windows 7 update called KB4493132 has been released and is used to display notifications that remind users that Windows 7 will reach its end of life starting on January 14th, 2020. These notifications will start to show on April 18th 2019 and will state the following message and contain a Learn More link to a Windows 7 End of Life Information article. The notification also include a checkbox that allows you configure the program to not show you the alert again in the future, which is described further in the article.
Source: https://www.bleepingcomputer.com/news/microsoft/kb4493132-update-notifies-windows-7-users-of-end-of-support-date/