Downloading installer information to the target volume failed. Why am I getting this message when trying to download Catalina.?

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Level 1

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Downloading installer information to the target volume failed.

Why am I getting this message when trying to download Catalina.?

MacBook Pro 13″, macOS 10.12

Posted on Oct 12, 2020 9:21 AM

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Answer 1

Level 10

250,187 points

Try the standalone 10.15 in Safe Mode, but not using Firefox...

Safe Boot, (holding Shift key down at startup).

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