I have ArcGIS 10.3 running on Windows 7... and I have recently come across an error that I have not encountered before. After starting ArcMap, I receive an error stating:

C:\Program Files (x86)\ArcGIS\Desktop10.3\bin\GxRaster.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media, or contact your system administrator

Has anyone come across this before?

ArcMap continues to open but I cannot even do anything as basic as adding data before the program shuts down. The closest I've found via Google is:


but it covers a different set of circumstances.

  • 2
    Sounds like filesystem corruption. Have you tried uninstall/reinstall?
    – Vince
    Mar 31 '16 at 13:19
  • we are trying to avoid doing that if at all possible. There were a few Windows patches installed right before this started happening, I am hoping that restoring to a point prior to those patches will at least help me in determining the cause. Mar 31 '16 at 13:43
  • 3
    Uninstall/reinstall takes 10-15 minutes. Exercising restore points will take a lot longer than that, and if it is filesystem corruption, the DLL will still be corrupt when you're done.
    – Vince
    Mar 31 '16 at 13:52

As commented by @Vince, this sounds like file system corruption so I suggest that you:

  1. locate the same download or disk that you used originally - you can always download it again.
  2. either repair your installation, or uninstall/reinstall it (which should only take about 10-15 minutes)

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