Autodesk just issue the new service pack 1A for Autodesk Civil 3D 2007.

Details:
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Notes:
Note: Before installing this Service Pack:
- You should install this Service Pack on systems that have already had the Autodesk Civil 3D 2007 Service Pack 1 (C3D2007_SP1.exe) installed.
- It is not necessary to install Autodesk Civil 3D 2007 Service Pack 1 (C3D2007_SP1.exe) before installing this Service Pack (C3D2007_SP1A.exe).
- You cannot run an automatic uninstall to remove this Service Pack.