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#11
Windows Disk Management can't extend the partition to the free space on the left side of the partition.
You need to use the Partition Wizard tool Greg gave in Post #4 to extend your current "J" partiton:
You should re-read Post#4...If you don't mind Windows 7 being on J then you can download and burn to CD with Windows Image Burner free Partition Wizard, boot CD to follow these video steps How to extend partition easily with Partition Wizard on your J partition choosing the free space in C. However it is very irregular and not recommended to have your System Boot files on a data partition.
Whatever you do, you should make sure you have backups of everything, including System Backup Images ... just in case something goes wrong...