Well, first try deleting it then re-downloading it, the
move the taskcreator into the file, and not copy it.
If that doesn't work, and still come up with the same error, then it is definitely something to do with your connection.
Make sure that nothing is blocking it. I'm honestly not sure.
You could try posting here...
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However, that's an information thread, rather then support.
Try going to the official website which can be found here.
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You have a much better chance of someone helping you, as that is the best place to go to for support.