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All in all the placement of the elements it looks very much like the typical, boring windows explorer layout.
Too much choices There are a way too much option points in the sidebar. Reduce it to max. 5 Elements. Too much choices slow the users down.
Try to put yourself in the situation of your user. What is the PRIMARY goal a user has coming to your site? Which tasks would leed him to complete this goal? Which choices does he need to take? Try to think over this questions, ideally test your layouts with real peole in real life situations. Ask them what elements they would klick, what features they would use.
Then you should reduce functionality according to this feedback.
Good luck!
