Items can’t be copied to “Desktop” because you don’t have permission to read them.

kman1801 Said:

"Items can’t be copied to “Desktop” because you don’t have permission to read them.: [...]Can anyone see where the permissions are not correct? Other ideas on how to resolve this?"

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You Need to Make Desktop Writable.

In your second screenshot:

1. Select: File Sharing
2. Select: Dektop
3. Select: Keenan Glass
4. Change: "Read Only" to "Read...Write"

Screenshot of your Second Screenshot:

kman1801 Said:

"Items can’t be copied to “Desktop” because you don’t have permission to read them.: Thanks for your generosity. And your time looking at this.: [...]Maybe I downloaded these images prior to setting up the Sharing preferences properly[...]."

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Downloading & Privileges:

It wouldn't matter when you downloaded the files. Each would have its own user privilege already. So, verify if the files themselves are "Read & Write"

1. Right-Click: on the file
2. Select: Preferences
3. Expand: Sharing & Permissions
4. Verify: the Privilege is "Read & Write"
5. If so, you are set from here.