Rule #1. Never download software update on your macOS systems. The main reason Mac proposes update is to slow down your Mac so you buy a new one.. My macbook air is 5 years old. I did not download any software update. It runs like a good well oiled machine. I was thinking of crashing rule 1 and download macos big sur blabla. Based on the messages posted here, I won't
Vincentroger2000
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