Norton's Ghost 10 User Guide
General error messages
Following is a list of the most common, general error messages:
EA39070A
The internal structure of the recovery point file is invalid or unsupported when saving the file to a network location. This error can also occur for one of the following reasons:
The recovery point file is damaged or corrupted. Damage can occur when you create a recovery point over a network and there is significant packet loss during the creation of the recovery point file. You should verify recovery point after they are created to ensure their integrity. Create a new recovery point file to a different location, or create a new recovery point with a different file name to the same location.
The recovery point file is fine, but there may be a conflict with spyware detection software (such as Pest Control or Spybot) causing the recovery point file to become corrupt or appear to be corrupted. While using the product or Recovery Point Browser, disable all spyware detection software.
If you copy a recovery point file from one FireWire drive to another FireWire drive while connected to a FireWire expansion card that uses a Via chipset (such as the Kouwell card). To work around this issue, replace your Via-based FireWire expansion card with a card that uses a non- Via chipset (such as the Adaptec 4300 Fireconnect, which uses a TI chipset).
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Seems like tech support are going by the manual.
"Disable all spyware detection software " , Im speculating, they think best way to accomplish this is to uninstall.