Cannot sync .exe and .dll files

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eswno

I am syncing folders from drive D to Drive J, but got errors as attached picture for all .exe and .dll files. What is the problem?
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xCSxXenon

What is "J:\"? Is it a NAS? Is there some sort of drive pooling or RAID?
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Joined: 10 Jan 2017

eswno

J: is an external HDD.
Posts: 19
Joined: 10 Jan 2017

eswno

There are enough space (>50GB) on drive J, C and D. So not the problem of low space. Direct copy and paste these files doesn't have a problem.
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Zenju

ERROR_NOT_SAME_DEVICE is obviously non-sensical in this case. My guess: Some wonky interaction with third-party software, AV or the like. Perhaps Process Monitor can shed some light: https://freefilesync.org/faq.php#trace
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xCSxXenon

I agree with Zenju with that new info, almost like something that 'buffers' the data for some intermediary processing.