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When installing ArcGIS desktop 9.0, the following error may occur:
Error: Error 1904: the file C:\Program Files\Common Files\ESRI\Raster\Bin\ntx86\rdo.dll failed to register. HRESULT: contact your support personnel.Users are presented with an option to retry, abort, or ignore the error.
Registry paths pointing to rdo.dll are pointing to the ArcGIS 8.3 locatation of \arcgis\arcexe83\bin\ntx86\rdo.dll or the location of another application that uses the RDO library such as ERDAS imagine.
The registry file linked below is used to modify the rdo.dll path in the user's registry, then the rdo.dll file is registered.
Warning: 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.
cd "c:\program files\common files\esri\raster\bin\ntx86"<ENTER>The prompt changes to indicate the directory change.
Note: If an "unrecognized command or file name" error occurs, type the following instead: