I'm trying to delete the Ubuntu partition and then later I'm planning on running Ubuntu through VitualBox on Windows 7. The problem is I don't know which partition is Ubuntu so I can use that space for Windows.
Looking at your partitions
If you used WUBI to install Ubuntu its contained in your C:/programs. Just delete it using 'programs add/delete' under Windows.
It would have not installed Ubuntu into a separate partition.
According to your partition table the only OS on that computer is the primary Windows OS.
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2The two partitions look like your C:\ (windows) and the recovery partition (put there by manufacturers so they can be cheap and not give your CDs). – coteyr Dec 18 '12 at 4:13