>>>Thanks for the information Eric. We fixed our problem but we used the HK_LOCAL_MACHINE hive instead of HK_CLASSES_ROOT. We felt that we did not want to change the root classes because we are novices at using the registry and teh word "ROOT" scared us. Using the HK_LOCAL_MACHINE worked.
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>>You're welcome of course, but I didn't know you could do that with HKLM. I'm not sure what the technical difference is: IOW what hive has precedence, and how different settings in each hive are treated.
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>Erik (and Ken),
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>HKEY_CLASSES_ROOT is provided for backward compatibility with Win 3.1. That indicates to me that an older 16 bit application might not check HKEY_LOCAL_MACHINE.

Ok, I remember reading this now. One of them is not a real hive, but a window into the other one. The /Software/Classes/ folder in HCLM is actually the exact same data as HKCR. Making a change to one changes the other.