I am not able to create a new partition on Vista through Disk Management. I want to install Ubuntu and for that I need a separate primary partition. But there is no way to find the same. When I try to create a new partition I am getting a error -- You cannot create a new volume in this unallocated space because the disk already contains the maximum number of partitions. I cannot install Ubuntu if there is no primary partition on my system. The C drive has Vista and there are two more which has data. I had shrinked one and extracted 20GB out of it. But I cannot convert that to primary partition.
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