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Error: RegCat run-time error -2147319779 (8002901d) Automation error Library not registered

Error Message

While installing or uninstalling ArcGIS Desktop, the following error is received:

"RegCat
Run-time error '-2147319779 (8002901d)': Automation error
Library not registered."

Or when launching ArcMap, the following error is received:

"Startup
Automation Error
The specified module could not be found."

Cause

This error occurs when the Window Script engine is missing from the computer.

Solution or Workaround

Install the Windows Script engine. The link to the Windows Script engine download is listed below in Related Information.

    Related Information