Disable Unused COM Components
Some COM components are not required for most applications and should be disabled. Most notably, consider disabling the File System Object component; however, this will also remove the Dictionary object. Be aware that some programs might require the components that you are disabling. For example, Microsoft Site Server 3.0 uses the File System Object.
To remove unused COM components
Use Regsvr32 to disable an unused COM component by removing its registry entries, type
regsvr32 component_name .dll /u
Where component_name is the COM component to be disabled.
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