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C: drive messed up. How do I fix?
I am attaching a screen shot of the open c: folder. Note that the folders are displayed at the bottom, just the opposite of all my other folders. Note also, that there has been an addition to the file extensions as well as a yellow padlock symbol just prior to all the file names. I cannot open those with an added file extension.
Any clues as to what might have happened and how do I fix?