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While installing or uninstalling ArcGIS Desktop, the following error is received:
Run-time error '-2147319779 (8002901d)': Automation error
Library not registered."
Or when launching ArcMap, the following error is received:
The specified module could not be found."
This error occurs when the Window Script engine is missing from the computer.
Install the Windows Script engine. The link to the Windows Script engine download is listed below in Related Information.