Tag Archive: The Finder can’t complete the operation because some data in can’t be read or written

macOS – HowTo Fix Finder Error 36

So the other day when i was trying to backup some local MacBook, macOS 10.15.5 Catalina, files to my NAS i ran into a Finder problem. Yeah this was a manual copy so no Time Machine, no automated script backup solution:) Anyway the error i got was “Error code -36” – see the below picture …

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