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Hi,
I have an AmigaOne XE/G4 on which I recently installed AmigaOS 4.1 Update 5; I have downloaded Update 6 and I'm trying to install it, but I get a message from the installer, saying "Required object is missing."
The only thing that might be a clue to what is missing is the title of the message window, "ELF Library".
How can I determine what is missing, and how can I correct the situation?

Did you unpack using UnArc? And your Update 5 volume was okay before, no rogue libraries? I've seen this sort of thing happen with old libraries installed by accident.