2 Dropbox identical Folders: Dropbox System Folder and Dropbox File Folder - Which on to delete?

[HVS]

For some unknown reason, I have now 2 identical folders (with same size) in my PC and I am only one person and one sign in.

Can I delete one of them to eliminate the duplicate? And if so, which one of them?...

Any suggestion or hint will be much welcome, thank you!

[Rich]

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@HVS wrote:

For some unknown reason, I have now 2 identical folders (with same size) ...

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Are you sure they're two separate folders, and one isn't just a link to the other? If you add or delete a file in one, is it visible in the other? If so, you likely have one folder with the other being a symlink (or similar) that points to the original.