Do you have the program LFS_restart.exe in your LFS folder?
Some people have been known to delete it simply because they don't know what it is. Then they can't get auto updates any more.
If you don't have it, you can get it here: https://www.lfs.net/forum/thread/106062
Windows 10 users do usually need to run LFS as admin to get an auto update when it is one of these test patches as they are simple self-extracting archives and they don't have a 'manifest' that the official patch installers do contain, so WIndows gets all worried about it and you have to try again, running LFS as admin.
But I think that is unlikely to be cuni's problem as you get a different message in that case.