I installed the Windows 10 feature update 1903 today and Eudora stopped working under sandboxie. Operating system information is below. Eudora still works outside of sandboxie. I will try to attach images of the error messages that i received.
Sandboxie registered version 5.30
OS Name Microsoft Windows 10 Pro
Version 10.0.18362 Build 18362
Feature update to Windows 10, version 1903
Successfully installed on 7/30/2019
