Partition Magic Error 105

Written by james woudon
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Partition Magic Error 105
Internal hard drives need separate partitions for data and system files. (hard drive interior image by Curtis Sorrentino from

Error 105 for Partition Magic 8.0 is a partition table error. To format a partition in order to avoid data corruption, the software stipulates that the partition must begin on the cylinder boundary. This may seem counterintuitive because Partition Magic usually works without the need for reformatting a disk drive. However, this error describes a particular circumstance that requires you to take steps to avoid data loss. Because Partition Magic 8.0 natively supports Windows XP, you are more likely to see this error message in Windows Vista or Windows 7.

Skill level:

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Things you need

  • Windows XP, Vista or 7
  • Partition Magic 8.0

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  1. 1

    Run a virus scan on the partitioned disk. Master boot record virus activity may result in invalid table values.

  2. 2

    Back up the data on the disk, preferably to an external hard drive.

  3. 3

    Open Partition Magic. Highlight the affected partitions in the right panel. Select "Delete partition" in the toolbar on the left. Click "Apply" in the bottom left.

  4. 4

    Highlight the unallocated space on the disk in the right panel. Click "Create new partition" in the left panel. Accept the default settings. Click "Apply" in the bottom left.

  5. 5

    Restore the data you backed up in Step 2.

  6. 6

    Go to the Start menu. Click "Program Files," and open the folder "Norton PartitionMagic." In the folder "Norton PartitionMagic Tools," click "PartitionInfo" to scan these partitions for errors. Ignore messages marked "warning": Only messages marked "error" present problems.

Tips and warnings

  • When using Vista or Windows 7, you may want to run the program in compatibility mode to avoid errors when creating partitions.

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