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By 'using cmd.exe', do you mean using the VBP console app? Both the GUI and console apps use the same method to create the builder component.
That error message is returned from the CoCreateInstance COM API. The error indicates that the lookup of registry information for the builder component is failing (typically because the necessary entries are not found). The pertinent registry keys are
HKEY_CLASSES_ROOT\CLSID\{28DED69C-A541-465C-AA2A-78321E797E83}
HKEY_CLASSES_ROOT\TypeLib\{34DCF8AE-50CB-4D20-A163-D1287F83AA55}
HKEY_CLASSES_ROOT\Interface\{2DA36047-8B60-4333-ACC0-E2D05491DF7A}
HKEY_CLASSES_ROOT\Interface\{6239A18C-E6A1-43C5-99F9-049697FFC325}
The DCOM standard marshaller also gets involved in the creation process (oleaut32.dll, registry key HKEY_CLASSES_ROOT\CLSID\{00020424-0000-0000-C000-000000000046} and others), and if any of that is messed up it can cause issues as well.
But since the problem is sporadic, it sounds more like the registry is corrupt or something is causing registry lookups to sometimes fail. Is the problem specific to a single machine? Can you post the information from Help | About | Install Info? Thanks.
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