Unable to Start Tool

Last Published: April 26, 2020

Error Message

The following error occurs when attempting to use the SDTS to Grid Wizard or the SDTS to Coverage Wizard in ArcToolBox:

"Unable to Start Tool."


The file richtx32.ocx is missing from the system registry, or it is not installed.

This file does is not installed when ArcInfo 8.0.2 is installed. It exists because of a previous installation of a Microsoft application.

Solution or Workaround

The instructions below include making changes to essential parts of your operating system. It is recommended that you backup your operating system and files, including the registry, before proceeding. Consult with a qualified computer systems professional, if necessary.

Esri cannot guarantee results from incorrect modifications while following these instructions; therefore, use caution and proceed at your own risk.

1. Verify the file richtx32.ocx exists. It is normally found in the WINNT\system32 directory.

2. If the file does exists, click Start > Run and type the following to register the file:
[O-Image] reg_run

3. If the file does not exist, install a Microsoft product, such as Microsoft Office or Visual Basic, and then register the file.

Article ID:000002484

  • ArcMap 8 x

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