After upgrading LiveUpdate Administrator (LUA) to 2.3.8, the event logs show files failing to delete when purge operations are run. However, the files actually are deleting correctly.
|8/19/2021 8:00:12 AM EDT||Delete Content||informational||LUA Startup||1 files failed to delete as a result of the delete operation.|
2021-08-27 15:02:26,175 [ContentPurgeThread20026] INFO contentrepository.DAOContentRepository  - Deleted file C:\LiveUpdate Administrator\Downloads\1629931793jtun_ips_sep14_3_210812071-210825071.x03 status: false
LUA 2.3.8 / 2.3.9
This issue is resolved with version 2.3.10. You can download the latest version of LiveUpdate Administrator from here.