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When starting up the ArcExplorer-Java Edition 2.0 application, the following error message is immediately displayed:
"Run time error 429 ActiveX Component Cannot Create Object".
The cause of this problem is that one or more components that can be registered(OCXs or DLLs), which are required for ArcExplorer-Java Edition to run properly, were not successfully copied onto the machine or were not properly entered into the Windows Registry. By design, the user should not have to do this manually. The setup program should have done this all automatically.
One common cause of this is that the user tried to start ArcExplorer-Java Edition 2.0 immediately after installing the application, instead of first restarting the machine. ArcExplorer-Java Edition requires a reboot after installation so that the components can properly register.
regsvr32.exe "C:\Program Files\Common Files\ESRI\mo20.ocx"
As an alternative method to running the 'regsvr32.exe' from the command prompt and typing each command manually, create a shortcut on the desktop for the 'regsvr32.exe', and one at a time, click-and-drag the above files onto that shortcut icon.
Optionally, some Windows machines are configured to give you access to registering DLLs and OCXs by providing a 'Register' menu item on the context menu, accessible by right-clicking the file name.