I am not sure if you made a typo when inputting your query. The two addresses you give are different addresses because the OS of the server system is a nix OS and the filenames of that OS are case sensitive per se. The Windows filenames are not case sensitive so the two addresses would be the same.
The thing to do is to never ever use Uppercase letters or spaces in filenames and you will make things easier for your self. I cannot tell you how many times I have, and still am, caught out by the case sensitivity issue.
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