64 bit Civil 3D SP1 version error

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I am trying to run the Civil 3D SP2 but I always encountered an error stating that "D:JessupInstallAutoCAD Civil 3D 2012 Service Pack 1c3d2012_win64_sp1.exe is not a valid Win32 application". Does someone encountered the same problem as mine? Can you help me please? Thanks.

 

I have Win 7 64 bit OS and 64 bit Civil 3D. 

 

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Answered By 565880 points N/A #147740

64 bit Civil 3D SP1 version error

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It is possible that you might have downloaded the 32-bit version of AutoCAD Civil 3D instead of the 64-bit version that is compatible with your operating system. The “not a valid Win32 application” error usually appears if you are installing the application in a different version of Windows which it was not designed for. This message warns you that you are running the wrong version of the file or application. Another reason is that the file you are trying to run is corrupted or maybe missing from the specified location.

If the installer you are using is a download version, try downloading the installer again from the official website and this time be sure to select the appropriate version for your Windows.

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