Can somebody tell me what's going on with this? I'm not seeing how to edit the post or I'd simplify it :/

TL;DR: The drive pops up that error when I try to open it only from the computer it's...

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Ever since the drive went into the red (almost full warning), the first time I try to open it in a while, the error shows, but never after I dismiss the error and click the drive again.
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