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Error: EsriRegistrationMgr.dll is invalid or could not be found

Error Message

The error, “EsriRegistrationMgr.dll is invalid or could not be found,” occurs while installing ArcGIS for Desktop.

Note:
ESRIRegistrationMgr.dll helps to manage version information, but it does not affect any applications or server processes.

Cause

This issue may be caused by the following:

1. Files or a folder from a previous ArcGIS installation were not completely removed during uninstallation.

2. The related .dll files are missing, corrupt, or unregistered.

Solution or Workaround

1. Rename the ArcGIS folder to ArcGIS_OLD at the following location:

For 64-bit Windows operating systems:

• C:/Program Files (X86)/Common Files
• C:/Program Files (X86)


For 32-bit Windows operating systems:

• C:/Program Files/Common Files
• C:/Program Files


2. Run the ArcGIS for Desktop installation.