Hi,
Could you please try the steps in this article and see if it helps appear the popup:
https://www.yourwindowsguide.com/2025/09/cant-enroll-in-windows-10-esu.html
I look forward to your response and am eager to collaborate until we find a solution.
A Windows MVP writes content on the above website, so it is safe. However, do watch out for the ads. It should translate into your Browser language automatically.