I have tested webshop and our custom code which refreshes the page every minute with v. 2021-11-24 and didn't notice anything wrong, lsof did not show any increase in open files.
Hello,
We also have a customer on windows who is on 2026-02-28 having the exact same error message after updating.
The title of the messagebox is in our case is: "C:\Program Files(x86)\Han...