When items are deleted, they are saved to the Recycle bin. There is not enough space on the drive to transfer the file to the Recycle bin.
The disk may be full or has too little free space to perform the desired operation. To get additional space:
Several software products that can help clean and remove unneeded files are Fix-It Utilities Professional and SystemSuite Professional. If you need to move or copy a partition or entire drive, you could use Partition Commander or similar product.
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